Wow, his mind is very befuddled! I didn't realise he has continued to contact you. I think as you say for now it is good to carry on with that connection but IMHO, after you D I think he needs to understand the consequences of that and realise that you aren't going to be readily available to him.
Me - 47 H - 45 D-16 M - 6 years Separated - May 16
Don't leave me behind can't you see me I'm shining... (Years & Years - 'Shine')