your mother told him NOT to call you to schedule when to get things/keys....that probably annoyed HIM so it's pretty natural for him to not respond all warm and fuzzy...no way would he THEN ask her how you are doing. To him, it is clear you are Unhappy with him.
A Russian author once wrote "when men feel guilt, they attack". Guilt is not your friend.
I guess you need first to decide what YOUR goal is among the choices you have, which are few.
You really only control how you handle HOW HE leaves...
the question of IF & how you'd ever take him back, is way way down the road and might not ever happen...so let's assume he's in the Australian outback, unreachable...for the forceable future...
Now what do you want to do, with YOUR life?
M: 57 H: 60 M: 35 yrs S30,D28,D19 H off to Alaska 2006 Recon 7/07- 8/08 *2016* X = "ALASKA 2.0" GROUND HOG DAY I File D 10/16 OW DIV 2/26/2018 X marries OW 5/2016