<human>: Can you succinctly summarize the text in 1-3 sentences?

I'm 27 and she is 24. I broke up with her in February and we have never completely stopped talking to one another.

She's had a boyfriend for at least four months now and she and I even tried getting back with one another while she was dating him but she couldn't do it.

I **have** accepted that and **have** moved on but she will still text me now and then to catch up. She did so on Halloween, Thanksgiving and before and after my birthday (just last week).

Her current boyfriend forgave her once for talking to me but I am confused as to: A. why, generally speaking, she stays in contact with me B. why she would risk her current relationship again and C. if I should even be responding (it would be hard not to).
<bot>: Me (27, m) broke up with girlfriend (24) in February. She has a boyfriend now but am confused as to why she still contacts me.