Witcher 3 Question

If I make Keira my side bitch, will Triss or Yennefer find out about it?

Kind of a spoiler, but yes... well they found out in my play through, anyway.

Dude the main girl always finds out about the side hos.

Always.

She gets with someone else anyway.

They're tolling you. Bang her all you want. But later on in the game, you'll have to chose one of Triss or Yen if you don't want it to end ugly. Bang'em both, and and it's gonna be bad.

I decided to be friends with Triss (no benefits) and have Yen as my waifu... good decision?

@mordant221: It's the only good decision.