<human>: Can you provide a brief rundown of the text in within 3 sentences?

My mom was in a relationship with a young guy she met while she was running a bar. She has always been kinda "new age friendly", and this guy is a reiki master, does biomagnetism, the whole package, so she fell hard for him. They were pretty happy together, and 4 months into the relationship they decided to have a baby.
 

It was all pretty cool, he was always talking how now we were a family, that it was gonna be great to have a baby, yadda yadda yadda. Until last week, when, out of nowhere, he told her that he didn't loved her anymore and that he had a new girl. We were pretty shocked, and while my mom suspected the girl had a thing for him (they are co-workers, he's a teacher at a local highschool, and she saw them together a couple times while going to pick him up), she never thought he also had a thing for her. 

After the initial shock, we were expecting him to move out, but he had a talk with my mother and says it's best for the baby that he sticks around, in case he's needed for a run to the hospital (she has been passing out at least twice a month), and now my mother is confused, letting him stay for a couple days.

So here we are, the "I can get you to the hospital" thing is bullshit since she has plenty of friends and family to spend this month with, starting with me, but when I point this out to her she starts avoiding the subject, since she still loves him and hopes she can make him come back to her. So I would love to hear some objective opinions on the subject, because I think it's awful for her and the baby to be under this kind of pressure with the a--hole in the house, but who knows, I'm biased by the amount of hate I feel right now.
<bot>: Pregnant mom got dumped, exboyfriend doesn't want to leave the house and she thinks that's ok, need opinions to make her change her mind/stay like this