I've felt like a twin my whole life

Me and my brother have always been 2 peas in a pod. We grew up best friends only 15 months apart and did absolutely everything together. I was held back in first grade due to missed days at school due to family issues and we ended up even being in the same grade, so we always had the same friend group, style and just went through all of our weird phases together, and everyone thought we were twins, probably most of the people we went to high school with STILL to this day think we are.

The point of the post is when I was growing up I always had my hair dyed dark. Everyone said we looked exactly alike. Would you guys think we were twins judging my appearance? Because I don't even see a resemblance between us at ALL.