He is choosing to sleep with you and not OW. If he really feels that it's a mistake and dislike you so much, he wouldn't be sleeping with you.

Chances are he's cake-eating now.

I think you still have to continue dbing.

I don't mean to rub it in but from the text exchanges, what needs do you think the slut, oops, I mean OW, is meeting?

Is it possible to meet these needs in a non-clingy, non-doormatty way?

Whatever actions you decide to undertake, make sure that it doesn't compromise who you are as a person.

Meanwhile, maybe you could get your ducks in a row to see what you need to do to protect yourself and S.

(((Cherry)))

You can call me Dory/ Grl.

As a wise fish once sang,"Just keep swimming!"

It's no use to go back to yesterday because I was a different person then.