<human>: My girlfriend and I met on a dating site, where we were both listed as bisexual. We've been together ever since our first date and I really thought we were perfect for each other. She makes me so happy and I think I'm really falling in love with her. Literally the only problem we've ever had so far has happened today. 

We were lying in bed cuddling when she just casually mention that over the past couple of weeks she's realized that she's actually gay, not bisexual, and she could never imagine having feelings for a guy like the ones she has for me. I immediately felt...super uncomfortable. I never wanted to date a lesbian. I'm only interested in dating bisexual girls. It's a standard that I take seriously and my gut instinct is to dump her immediately, but I'm afraid I'll miss her if I do. It's also complicated because she's living with her father while she's in school (she's been struggling to find a job that works with her intense school schedule and thus can't afford to move out right now). Her dad is emotionally abusive, so she stays with me 6-7 nights out of the week. I'm afraid of leaving her with nowhere to go. How should I handle this?

Can you summarize the given text in a few sentences?
<bot>: My "bisexual" girlfriend just told me she's gay. I'm not into lesbians, but I don't want to send her back to her abusive father. How should I handle this?