<human>: Can you give me the gist of the text in a nutshell?

So my GF and I got into an argument this morning. She overreacted about what I said about this guy creeping her and she is starting to admit it.

Her ex: The last guy she said "i love you too." He's mentally crazy and has said crazy things about what their future is going to be like, before he saw a psychiatrist.

4 days ago, she blocked her ex on Instagram out of no reason. Maybe to check if he does check it or not.

2 days ago, he messaged her, on Snapchat (where messages delete) and ask why she blocked him. So he obviously tried to creep her.

She told me, because I was with her when he messaged her. I said, ask him why he's messaging through snapchat, he said because he didn't know if she was with her other half (me). She explained he is beside her reading everything and if his girlfriend knew he was being so sneaky. He said his GF and him fight a lot and there's no way they're getting married.

Today, I'm out of town, and after our fight claiming that I'm jealous, she decided to meet up with her ex for coffee. I don't know who initiated it. What would you think about this? Is she trying to piss me off?
<bot>: GF meets up with crazy ex after a fight we had about another guy when I'm out of town. What is she thinking?