Am I being selfish?

So, I’m dating my girlfriend for 2 months now (2 months and 4 days to be exact) and it’s going pretty wel, I guess… But, we both have some mental issues. She got many mental troubles, which is the reason she has to live with her youth group and I’m having a lot of mental issues too. One of them being cutting. But I know that, because she’s really worried about her, she’s getting even more depressed and I feel like she’s worsening thanks to me. But I really love her, so I… *sigh* Do you guys I think I’m being selfish for keepign her with me, while I know it would be better for her to let her go?