Welcome to SR Tchappy. Sorry for your circumstances. My ex's doc was meth also.
I know what you mean about hearing them say "I love you" and just feeling sick because
of the drug and how much damage it causes to the family life. It's a viscous cycle.
Be prepared to have a plan B in case he doesn't leave willingly. Addicts tend to sweet talk us, try to manipulate.. etc.. when you mess with their soft place to land. Keep reading and posting it will help you so much as you walk through this. Just know you're not alone!