I recently found nude pictures of my step daughter. Also that she has been doing various sex acts with the boyfriend. I talked to her about it and that she was pressured and felt trapped. She said she won't do it again. Now I can't look at her the same. At times I see her as my daughter but other times the sex acts she done and those pictures pop in my mind and I see her like that. Why would me finding this out make me sexually attracted to her now. I was never like this before but after the pictures I am. I raised her sister who is attractive and I never felt like this with her.