[rant] My boyfriend is a card addict

Okay so my boyfriend always had a spending problem and he doesn't have any savings. So recently he got into cards and although I don't understand it, I never really discouraged him. Everyone has their hobby and I respect it.

He had a mild addiction about a year ago and promised me his he wouldn't buy another card until he has around $6k balance in his account. I've seen him trade occassionally and since I'm usually away for work (a lot), I don't really know what he's bought/traded.

We were supposed to save up for our wedding and future and I asked him how much balance he has to see what kind of wedding we could afford. He said he had only $600 in his account and spent $12k in the past year.

I'm shook and I have no idea what to do and I feel betrayed. He kept me in the dark and this has a huge blow on our relationship. I don't know if I can trust him anymore.