Just keep reminding him how special he is to you. How things were different then as you weren't getting the treatment you needed and didn't even understand what was going on yourself. And that it will obviously not happen again!!

Impulsive spending is a hard one. If only we could afford it it wouldn't be so bad...! A couple of months ago I stopped caring and now its caught up with me. But I still don't care enough to do anything about it. And I just end up looking like an idiot who can't stick to a budget...well, I am internet shopping just makes it so easy! :/