Welcome to Psych Central (PC). Sorry to hear you witnessed sex as a child because children are not emotionally mature enough to understand what that means. The other man can also be difficult to fathom.

Some people at PC will find a therapist will help them sort out the roots of their life.

Some people find the forums give them the compassion and empathy they seek. http://forums.psychcentral.com

There are articles that go into more detail about coping
Psych Central - Trusted mental health, depression, bipolar, ADHD & psychology information.

Please feel free to private message any of the Community Liaisons by left clicking on the name in blue to the left of their post) for questions or just to share.