Still ... the boys aren't like a car he didn't keep up payments on.....
Bottom line: What do you think would be best for *them*?
I don't know. I can't answer. But it always pains me to think about children feeling rejected by a parent, and here he is wanting to spend time .....
I know you'll make the right decision (whatever that is), and I'm so pleased to hear how strong you've been sounding lately and how you've been taking care of business. Good for you.
This.^..
As for the bills, I'd just write "NOT AT THIS ADDRESS" on them, and leave them for the mailman to pick back up. But that's just me. You're certainly under no obligation to help them find him, or to help HIM get them.