I feel that way too, from what I remember it wasn't coerced and it did feel good. What makes it harder in my situation is that my brother was close in age (3 1/2 years). It's not like he was an adult. In someways at 16 he was just a kid too. He however was more mature and knowledgeable than I was. Even telling myself that a part of me says it wasn't wrong it was just experimentation.
Unfortunately, I had earlier traumas, so I can't even say well look how it effected me because I can't say for sure that my problems are due to that and not other things from my past.
"Being with people that understand you...Priceless"
"and i don't want the world to see me, cause i don't think that they'd understand"
"You don't know what love is...you just do as your told"
"My life has changed. What you take as a simple thing, is not so simple for me anymore"