Sup all?

My girlfriend wants to break up with me. She says the reason is because she knows she's a terrible girlfriend even though she isn't. She can't really see me that much and I know that plays a part and her sister doesn't like me. She doesn't want to lie to her sister about being with me... but her sister is controlling and will make her feel bad to the point that she will do whatever her sister wants even if it hurts her.

I thought about it and I know if you love things sometimes you got to let it go. So I offered to leave so she can be happy and she said I don't know what I want. She asks me to tell her what to do and I don't know what to say...

We didn't talk all day yesterday but she called to say goodnight. I think she still loves me and is just confused ATM. So my question is what should I do?

Well I guess you should start of with promising each other that even in bad times you both still have feelings for each other next the sister is the problem if there's a way for you and your girlfriend too sit down and talk with her and tell her she's ruining your relationship and she should stop with that because I don't think she wants too see her sister(your gf) sad forever so bottom line make your relationship stronger then action of other people