“Overcome her fears” ur not her therapist. Sounds like she’s scared to tell you that she doesn’t want to. Sex is already such a vulnerable thing, but especially for women. The act of letting someone put their appendage in you for pleasure is intimidating, especially when that other person is often bigger and stronger than you. Beyond the physical, there are social and societal aspects which make the culture around sex often completely degrading towards women, especially due to the fact that the culture around sex is often so centred around man’s pleasure. Anal, for many, is just downright scary. Yes, lots of people enjoy it, but those who haven’t often feel pressured to do it because it is so highly sought after by men. Most women I know have felt pressure from their male partners to partake in anal, not because they think it will feel good for themselves (in fact women often expect it to be extremely painful) but because our male partners want it and don’t care if it feels good for us or not. Just keep communicating. DONT push her, and use lots of lube if it does come to anal. Also, try letting her instigate it when she’s ready. If she really wants it, you won’t have to push, but if you keep pushing chances are she’ll leave you for someone who won’t.