If you havent then i think you need to sort out your own bank account. Does H have his own account?
You've only got a few days until he goes away and then you can use that time to figure out your exact plan. Its rubbish but careful considered steps is probably better than a reaction at this point.
Both mid 30s, 2 young kids BD 7sep14 XW moved on long ago, now living with OM1 D paperwork in progress