Anxious, I'm heartsick for you and your kids. He is not a high functioning addict.
He's just a plain, old ordinary drug addict with a desire to get high that surpasses ANY love he has for you and the kids.
PLEASE protect your children and yourself. Call the DV line. Protect your credit cards and $$.
And DO. NOT. BELIEVE. A. SINGLE. WORD. THAT. HE. SAYS.