I can't even

We get mad when we dream it. I can imagine how it must feel to know the guy dreamed it.

Well that's odd

Silly girlfriend, you're not a cheater. :)

My ex used to dream stuff like that and at one point I woke up with a bloody nose.

That's not something one tells their gf.

you know sometimes dreams reflect some unknow desire maybe she thought that if you dreamed about it it means that somehow you want to do it (It's just a possible explanation )

My wife got mad at me because she dreamed i was talking to an ex on fb. Theyre exs for a reason.

Anyone else think of Chandler? 'Sorry I was very drunk and it was someone else's subconscious'

My ex used to dream I cheated on her like twice a week

I once got annoyed by my friend because I had a dream about her and she spent the entirety of it ignoring my existence. Then I realized I was being dumb and forgave her, even though she did nothing wrong to begin with. I'm an odd person.

It's happened to me too.

I suggest you dump her