You are often not happy, Fantasy. I'm sorry, but your children will know that. They soak up emotions like sand soaks up water. And no-one who is unhappy gives of their best.
This is a horrible period for you, but trust us, it will get better. Just get yourself through each day, one step at a time.
The first thing you need to do is to block his number.
Then enrol on the Freedom Programme.
That's just two things. You can do them. Believe in yourself. Make yourself do it.