If he's THIS awful in public...how is he in private? So unless this is all just an "act" and she's in on this, with him, she's as sick as he is, for staying with him!
And yes, their children aren't babies or toddlers; they're absolutely old enough to see and understand what has been going on.
I dont think this started before Trump was elected. In fact, I saw an article a couple of years ago describing the scene at the Trump/Pence election headquarters on election night, and the author described George Conway joyfully bawling his eyes out as he made the rounds telling everyone what a great, historic moment it was.