Hi buddha123,
It depends. I would respond, but only have one communication a day and keep it short. This way there’s no endless back and forth. If he writes/calls and you respond with a brief paragraph text or a brief conversation and then say you have to go… This will force him to think about what you said. And if he texts/calls back and you don’t respond until the next day, he’ll really have time to think.
People do change, but I would have no expectations concerning him.
He’s calling because even though he still has issues, he doesn’t know where else to go! You can talk to him AND move on. OR you don’t have to respond at all, and hopefully he’ll move on himself. Do what feels right.
Best,
Inky