tw: mention of sa

If anyone could give me some advice that would help a lot :) so, when i was 8 i was sa by my cousin. I didnt know any better so i kept it a secret in fear i would get in trouble, up until last year i finally told people about it. Now that i relize it was sa my fear of boys/men have gotten way worse. Ive always had a fear of boys/men but its gotten worse, i only trust my dad and 3 other boys. But tomorrow i have to go to a house where men will be and I'm scared even though i know they are harmless. Can someone please give me adivice on how to overcome my fear?