I would say wait for couple of days and simply reply
H Wuz up been busy
Nothing more nothing less keep it always professional and business
If W text back about marriage or relationship try not to answer. You W is trying to cake eating wants to make sure you don't have OW or found new friends. Always remember you where fired from being a husband so treat W like you will treat a stranger you just met. We are nice but don't give to much info about yourself or what you doing.
At BD Lesbian marriage Me39,W36 S9,D9,S8 adopted all three Together almost 10yrs Bomb Drop - April 2017 W movedout - May,2017 OW June,2017 Currently 2018 Me40, W38 S10,D10,S9