If he's supposed to be with you and he's with her I would just ask her to let you know when that happens so you don't worry.

She said she would get back to you about the mediation.

Me 57/H 58
M36 S 2.5yrs R 12/13

Let me give up the need to know why things happen as they do.
I will never know and constant wondering is constant suffering.
Caroline Myss