Unfortunately, you cannot presume that he wants to improve the marriage right now. If he seems to be doing everything that won't help, that might be because he wants exactly that.
Don't trust everything he says. He is speaking from fear and anger. What he does matters more than what he says.
I am in a similar situation. W has told her family, and I feel that there is a whole silent army lined up against me, since all they know is her perception of the story. I have always been nice to them, but not one has asked, "How are you holding up? How do you feel about this?"
Do what pleases you right now, what makes you strong.
Me 59 W 47 T 26 M 23 S18, S14 BD May 2023 D filed June 2023 OM1 confirmed: December 2023 OM2 confirmed: October 2023