I’m going through it

I’m going through it been with this woman for 5 years and she went through it with me when I kept cheating.for some reason I thought she would never leave me I thought she needed me but she didn’t at the end of the day.i can’t sleep we been broke up since September but I just realized it after moving in my place 3months ago.when I went through her phone I seen that she was talking to several dudes so I take that as a reaction from all the cheating I was doing.I made her cry serval times but it’s hitting me hard asf as the day and night go by.Today she sent a text saying she didn’t want to be in a relationship like I didn’t know that already.She text me back but like hours later but she is usually busy working.I wish I could be with her again but you can’t make a woman do nothing she don’t want to do.We had sex about 3weeks ago in my place and I was hoping that would spark things back together but nah I believe it’s over.im so sick to my stomach it feel like sometimes I can’t breathe when im thinking about everything playing back in my head.I wish this pain would go away.I been going to the gym and attending bible study.How long will this pain last?She barely responds when I do text and she don’t even ask to see me.we don’t see each other and she goes days without calling me.Can someone give me some advice on what can I do to make this pain go away?I keep texting her and I’m starting to hate myself knowing she dont love me anymore