ARgh! and this is why we said to block his number.
He is NOT respecting your boundaries, and now because you are trying to establish a routine without him, as is your right, he is trying to muddy the water with the "I might wanna come back" bollocks with a liberal sprinkling of "Woe is me, you married a nob"
Still thinks he did the right thing eh? The right thing by WHOM exactly????
Well Fck him, the horse he rode in on, and actually, to be sure, fck him again!
If you are wavering, and finding this hard then for the love of God, please block his number (and hers). He is ramping up his manipulation again. You need to protect yourself. Again.
Block the number, get caller ID, tell your IL that his calls are not welcome and that if he calls while you are visiting, as far as he is concerned, You are not there. He is not calling out of concern he is calling to be able to say that he does call.
My dad has been like this, great at ticking boxes, went to see my sister in USA after the birth of her DD, didn't go to see her until the evening, went shopping the next day and only saw her briefly, then flew back to London.