I know there's zero I can do about it and I haven't said anything nor will I l.
He's open about it too.
Someone he's worked with for about a month and sometimes works alone with, he's told me once or twice how they've had deep chats about their respective therapy, and just very intimate chats about their past relationships and mental health, upbringing etc.
She's a decade younger than me too
He went out drinking with her the other night but apparently her bf and other people were there too.
I just don't see myself pouring my heart out to some male colleague then telling my partner, it's good he gets on with them, but maybe I'm just being pathetic, I can't do anything anyway