So to sum up a really long story. There was a day where we were alone and we both got drunk and a conversation about kinks was brought up . In that conversations not only did we discover that we perfectly fulfill each others kinks and fantasies, but also that we had it for each other prior to dating. On another day she approached me about a big problem where one of her exes was trying to blackmail her. She was trying to show me the text log and told me that there might be explicit content (which I thought was a dick pic) that I am allowed to see if I am comfortable. I hesitantly agreed and while reading the chat I saw what she meant by explicit. It was a picture of her perfect titties. She admitted that sexting and being discrete sounds like so much fun but she knows it’s wrong since she has been dating my roommate for 5 years. I help her with the situation and scared him off but ever since that day, I can’t stop eying her body and seeing her walk around in tight shorts and jeans as well as baggy shirt where you can see her hard nipples. I am also in a relationship about just as long but I am feeling super weak about it. Would love to attempt to message her on an anonymous email and see if she will sext or not but I am afraid she will end my relationship by telling my gf. I wish we can just fuck and end this tension but there is nothing I can do. I am super conflicted as this is the perfect time to try something like sexting since her bf is on holidays alone back in his home country and I am with my gf abroad leaving her alone with her family and available for corruption.