He slept in bed with you last night!! That is awesome. That shows that shutting up worked. It brought him closer. He didnt sleep on the couch!!
He is questioning what he is doing but he needs to find the answers himself and that takes time. Right now you are just preventing him from jumping off a cliff and he is trying so hard to grab your arm and take you off the cliff with him.
Stay silent. Time is on your side. In the future you guys can discuss his relationship with OW but it is so futile to do it now - it will just take you off the cliff.
Listen to his feelings and validate. You are doing this for the kids - be strong for them!
---- M 39 H 35 D5,D4 M 4 T 9 ILYBNILWY 5/18/11 Left 7/11/11 Divorced 12/1/13