<human>: Give me the gist of the text in a nutshell

I went to a get together with her. We just started chatting; suddenly she tells me she was raped. Not only that but that my sister and her sister were also molested a while back. After she told me I was in a "bit" of shock. During this pause we were interrupted by 3 friends(who didn't hear the conversation).After they left I changed the subject, and we never talked about it since. This happened two years ago. I feel really weird knowing that this happened, I can't really explain the feeling. She, her sister, and my sister, are doing well, so I'm not sure if I should bring it up.
<bot>: My Friend told me she was raped and we never talked about it. She is doing well for herself.Should I leave it at that?