He got back with his baby mother. What should I do now?

Last night around 6pm. I was spying on my boyfriend when i noticed he picked his baby mother up. Smh. The same chick that i called a month ago. She doesn't know how i look but i know how she looks. anyway, the curtains were open when i seen them having sex. I was so hurt because i was there before her. Plus he told me she had slept with his cousin. She was basically sleeping with everybody including with her first baby's father. (She sent pictures to his phone) smh.😀 When his father passed away, I was cooking for him every day and i was rubbing his back etc. He said she doesn't do anything except asked him for money and post her butt on facebook every day and share videos of guys showing off their muscles. Smh What do i do now? Honestly, i don't think she loves him the way that i do. πŸ˜ͺi don't know why any guy would want her.πŸ‘Ž
He got back with his baby mother. What should I do now?
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