This all sounds really positive. I'm happy that you seem to be doing well.
In your last few posts, it seems like you struggle when he reaches out, because you get a little hit of closeness, but then when you process that it's just a little hit, you feel hurt and resentful.
Keep those expectations in check. Remember that no matter what happens, you are enough and you will be happy.
Great about the volunteer job. It sounds really nice. I hear that volunteering has s lovely side effect of helping you to realize that your life is actually pretty good!
And great on leaving H wondering. I think you can clarify that it's just a volunteer gig next time you talk to him.
