<human>: I am 24 years old; have a full time job but live 12 hours from my girlfriend of 4 months. Part of my work requires me to be in her city every other weekend so I do see her frequently. She is 22 and in college. 

To give a little context I was dating a girl when I was 18 who killed herself; and then later engaged to a girl at 22 who was diagnosed with Borderline Personality Disorder and our relationship exploded. 

Current GF is quite great; but she has an extremely overbearing mother (korean) and suffered in the past with an eating disorder. She has been seeing a therapist about depression and just started taking an anti-depressant (which I know could be contributing to this problem) I woke up this morning with a voice mail from her stating she was in the hospital because her depression grew worse and that she would have no access to phones/computers for a bit. 

Now I do know from experience she will be able to call me if she chooses at a later point; and I was able to talk to her briefly this morning and ensured her I loved her/cared and acted as calm as possible and as reassuring as possible. I do care about her a lot; but this is such a shock to me. I am not sure I'm ready to be back in a relationship that has the potential to be this volatile. I know it seems selfish but I've had my life be greatly affected by things like this before and I just don't know what to do. 

I do not want to leave with her; not even because she's in the hospital and I would feel bad (which I would) I just am feeling incredibly anxious and like I no longer will be able to be as emotionally vulnerable with her and will have to be her support system. I am emotionally stable and could perform that role I just am not sure what to do!

Summarize the given text in a few sentences.
<bot>: gf hospitalized with depression; unsure of how to care for her/care for myself during this time! Does anyone have any ideas or experience with how to deal with something like this?