I was actually over on another window researching a supervised custody exchange for you and several others posted on it. I strongly suggest that you talk to your therapy team about what is healthiest for you and DS schedule-wise. Then, go to your L and get it drawn up on a parenting plan. Look at the links I gave you earlier about what to include in the plan. Supervised exchange (or transition) is one thing you can get included and stipulate that HE pays for it.
I don't know what area of NY you're in but here's a link to a directory of these agencies for the state:
