Forgive me for intruding but this guy sounds like like a sociopath.
And the attributes that you ascribe to him often fit (not always) with the personalities of those who think that child sexual abuse is OK. It's never OK,
I'd stop texting him back because your sociopath is pretty hard wired,
Won't/ can't change and it's a mind bender. I wouldn't want to know about him. However.......