family abuse

My dad abused my sisters when they were younger, 4 of them, he never touched me or my little sister and I had no idea what was going on, I'm 21 now but all of this came out when I was about 11 I think? I can't fully remember what happened I one of my sisters must have told another and then they...

So I guess this has to do with family, friends and relationships. I'm one of the younger people on here and I just want to know I'm not the only one who ever feels this way. I've been doing so well. I haven't SH since thanks giving day. I honestly thought I was doing okay. But now I feel this...