Unfortunately the OP has said s/he is not able to do anything other than return @frangipani123 So tutoring, supply or leaving isn't an option. I think counselling is perhaps the only way to help cope with the feelings. It's one thing to be miserable at work but to believe one has no other options in life? That's the biggest blow. Feeling one has no choice in the matter. Very sad. Good luck with it all. Schools 2016 are testing arenas. In more ways than one.