Here is the high-quality, comprehensive listicle article.
There are some people who enter our lives and make us feel instantly, profoundly at home. It’s a connection so deep it feels like it spans lifetimes, leaving us with a beautiful, bittersweet thought: "I wish I knew you when I was young." This sentiment isn't about regretting the past; it's about celebrating a bond so special that you wish you'd had even more time to cherish it. It’s a love letter to the present moment, acknowledging that finding this person—whether a romantic partner or a soulmate friend—has fundamentally changed your world for the better.
If you’re looking for the perfect words to express this powerful feeling, you’ve come to the right place. We’ve crafted a comprehensive list of messages, tailored for different facets of this unique connection. Whether you're writing in an anniversary card, a "just because" text, or a heartfelt letter, these wishes will help you articulate the magic of finding your person, right on time.
For the Love of My Life: Romantic & Passionate Messages

These messages are for the one who holds your heart. They speak of destiny, soul-deep recognition, and a love that feels like it was always meant to be.
1. I look at you and I see my entire past and future. I wish I knew you when I was young, but I'm so grateful I get to know you for the rest of my life.
2. Sometimes I wonder what my life would have been like if I’d met you sooner. Then I realize, the journey to you was worth every second of the wait.
3. I wish I could have held your hand on the playground, passed you notes in class, and had you as my first dance. Knowing you as a child is my only "what if."
4. Every love song I heard growing up finally makes sense because of you. I just wish you were there to listen to them with me back then.
5. Meeting you wasn't like meeting someone new. It was like coming home. I wish I knew you when I was young, but loving you now feels like a lifetime.
6. My childhood was great, but the only thing that could have made it better was you. I can just picture us, two little kids, completely unaware that we'd found our forever.
7. I don’t believe in time travel, but if I could, I’d go back and tell my younger self, "Don't worry, the most incredible person is waiting for you."
8. I wish I knew you then, so I could have a whole lifetime of extra memories with you. But I'll settle for spending the rest of *this* lifetime making up for lost time.
9. You are the missing piece I didn't even know my past was looking for.
For My Soulmate Friend: Platonic & Deeply Connected

This is for the best friend who feels more like family, the platonic soulmate you can’t imagine life without. It’s a celebration of a bond built on laughter, support, and unwavering understanding.
1. I wish I knew you when I was young. Think of the trouble we could have gotten into! The world wouldn't have been ready for us.
2. All my awkward teenage phases would have been so much more fun (and bearable) with you by my side.
3. It’s wild to think there was a time I didn’t know you. I wish we could have grown up together, but I’m so glad we get to grow old together.
4. I wish I knew you when I was young. I needed a friend like you then, and I'm so incredibly grateful I have you now.
5. Our friendship feels ancient, like we've been doing this for lifetimes. It’s the best feeling in the world.
6. Knowing you now, I feel like I've known you forever. It's the strangest, most wonderful magic.
7. I can just imagine us sharing secrets in a treehouse or making up dance routines in the basement. I wish I knew you then, but I wouldn't trade knowing you now for anything.
8. You are my found family, and my only regret is that I didn't find you sooner.
9. To my soulmate friend: thank you for making the rest of my life feel like the adventure I was always waiting for.
Imagining Our Shared Childhood Adventures

Get specific and paint a picture. These messages are playful and vivid, helping your recipient imagine all the fun you would have had if you’d met as kids.
1. I wish I knew you when I was building forts in the living room. Yours would have been the only other password I’d remember.
2. I can just see us now: sharing a packet of sweets, scraping our knees on the same pavement, and promising to be best friends forever. We just got a late start.
3. Think of all the summer nights we could have spent catching fireflies and telling ghost stories. I wish I had those memories with you.
4. If I knew you when I was young, you'd be in every single one of my embarrassing childhood photos, and they'd be my favorite ones.
5. I bet we would have had the most epic secret handshake. Let's make one now to make up for it.
6. My childhood mixtapes were missing something, and now I know it was your terrible singing voice right next to mine.
7. I wish we could have learned to ride our bikes together. I would have put cards in my spokes for you.
8. I try to picture my school plays, my awkward haircuts, and my family vacations, and now I just picture you there, making everything brighter.
9. We would have been the kind of kids our parents warned each other about. And it would have been glorious.
Wistful & Poetic Musings

For when you’re feeling a bit more lyrical and introspective. These messages use metaphor and beautiful language to capture the bittersweet and profound nature of your connection.
1. Our souls must have known each other long before we did. How else could this feel so right?
2. I see the child you were in the person you are, and I wish I'd been there to witness the whole transformation.
3. You arrived in the autumn of my life, but your love feels like the first day of spring.
4. Perhaps we lived a thousand lives before this one, and in each, we found each other a little sooner.
5. Meeting you was like hearing a song for the first time that you already know all the words to.
6. You are the answer to a question my younger self didn't even know how to ask.
7. It’s a beautiful kind of ache, wishing to have known you always.
8. Our story didn't start in chapter one, but the chapters we're writing together are my absolute favorite.
9. Maybe we weren't meant to meet when we were young. Maybe we had to become who we are now to be perfect for each other.
Celebrating Our Found Time: A Grateful Perspective

This category flips the sentiment on its head. Instead of only longing for the past, it focuses on the profound gratitude for the time you have now, suggesting that your meeting was perfectly timed.
1. I used to wish I knew you when I was young, but now I realize: we met at exactly the right time. We met when we were ready for each other.
2. The fact that we didn't know each other for years makes every single day we have now feel like a gift I'll never take for granted.
3. I don't need memories of a past with you, because the future we're building is more beautiful than I ever could have imagined.
4. Maybe the universe kept us apart so we could meet now, with full hearts and open minds, ready for this incredible love.
5. I wouldn't change a single thing about my past, because every step, every wrong turn, led me straight to you.
6. "I wish I knew you sooner" is what I think, but "I'm so glad I know you now" is what I feel in my soul.
7. Our love story is proof that it’s never too late to find your everything.
8. Thank you for showing me that the best part of my story was just about to begin.
Short & Sweet Messages for a Card or Text

When you need to be brief but impactful. These are perfect for a quick text, a social media caption, or a small note tucked into a gift.
1. My only regret? Not meeting you sooner.
2. You feel like my whole life.
3. I wish we had more time, but I'll cherish all of ours.
4. My past would have loved you.
5. Knowing you was worth the wait.
6. You're my favorite chapter.
7. Soulmates, just with a late start.
8. Every day with you makes up for the lost time.
9. Where have you been all my life? I'm so glad you're here now.
10. You were worth waiting for.
### Make It Your Own
The most powerful messages come from the heart. Use these examples as a springboard and add a specific memory or a personal inside joke. Mention the way they laugh, a small kindness they showed you, or the moment you knew they were special. Your words don't need to be perfect, just genuine. By sharing this beautiful sentiment, you’re not just looking back—you’re celebrating the incredible gift of knowing them, right here and now.