Most Helpful Girl
It doesn't who she's with because she's still gonna feel messed up. What she went through was traumatic and it's actually pretty reasonable for her to want to take some time for herself to get her problems sorted out. It's not your fault. It's the guy that she dated before you fault. He's the one that made her feel this way. She probably feels guilty that she can't have sex because she doesn't feel ready and feels like she's bringing you down and depriving you of something that you really want. She just needs to see that you're willing to be patient and to be there for her and to help her through this. She probably feels alone and thinks that she doesn't need any help when really she probably does. It's a long road for her to recover and she doesn't want to hold you back with her. If you really care about her then don't let her get away!!
Most Helpful Guy
it sounds like a bunch of bull and a win win for her. she sounds like she is using you here is the two outcomes i see happening
1. she doesn't like having sex with you and with this excuse if she stays she has a free pass for not having sex with you but still gets all the benefits of being a girlfriend (free food, free stuff, attention, etc)
2. if she breaks up with you she never really liked you in the first place and this is an attempt to save face and not look like a bitch for the real reason of dumping you. here's why its her saving face notice she immediately went and blamed someone else for her actions and how she didn't try to work out your relationship at all. not only that but notice how open ended she is leaving the break up she wants you to be the one to chose leave or stay but since you're making the choice she shares none of the accountability.
its a lose lose situation for you.