Oh man, don't you hate having to remind your H that HE is the adult!!!!! Good grief! Do you really have to ask people to be a parent to their kids? It's ridiculous! Here is what I suggest- tell H that S misses his calls and set a schedule with him. Maybe it's once a week or 3 times a week or whatever, but set a repeating day and time and ask if he wants to call S or he wants S (you) to call him. Why do I think you should go to all this effort? Because S needs it. Your H is still off in la-la land so you've got to be an adult for both of you right now. Good luck!