Shellie stick closely to the knowledge that words don't count, actions count. Next time he sits you down and says all the right things, think about his actions, not what he says.
Make 2 columns on a piece of paper. On one side, write the sweetest things he's said, the best promises, the most hopeful future he's painted for you. On the other side write down actual events. It will become clear.
You will have to be brave, but you can be.