Stress meter above 100

It's a bit of a long one I'm afraid. First off, I'm going through major stress daily, with my son mother in law and husband, my husband is autistic and so is my son , my husband is struggling to cope with my son's naughtiness meltdowns and pika his mum constantly on our case about something or the other and neither of us can take that too.ive been messaging "text shout" twice for support and a rant I don't know what to do my husband said earlier sometimes he regrets having our son, which Hurt me and I Said Ur stressed u don't mean it, and he said an hour ago he does, honestly I feel just like leaving the 3 of them to get on with it, i work early shifts too and one Day I feel I might not come home