Cheating on my boyfriend?

I keep having dreams I’m cheating on my boyfriend. Like in my dreams im hanging out with my ex but still with my boyfriend. I’m deleting text messages and being super sneaky. I’m never kissing them or anything but hanging out with them and that’s a big no no. I would never cheat on my boyfriend and never would put my myself in a situation where I could risk my relationship. But literally this is my 5th dream in 2 months where I’m hanging out with someone else behind his back. I really dislike this dreams but why do I keep having them ???.... anybody think something