I don't post too much anymore but MM, actually ALL the people above had the exact same advice.....space and detachment.

It's pretty clear

And it's clear your boundary( however shaky) worked. However, at this point, I think H has just reversed the pursue/ distance roles.

I would very seriously go to your business meeting. Alone.

It will be good for you.

If someone wants to be in your life, they will make the effort

Good luck