You are getting great advice but FWIW your XH is NOT in acceptance stage of MLC.
Sounds more like he is still in REPLAY or at the tail end of REPLAY looking to see if you would accept him back.
Crisis is still in full swing and if you were to get back together he would still need to got through the remaining stages of MLC. Depression, Withdrawal and then acceptance. There is no avoiding them.
Keep listening to everyone that is giving you advice here they are spot on.
