Only use 5 of the 15 to continue. Set aside 10k for savings now before gambling more. Remember you were only willing to use 1k when you started and now you have 15k extra.

Whats even the point of warning him. We’ve all been there, we were all warned, and we all chose to not listen because “i am different, i wont lose it all like the others”. OP will become another one of us in a few weeks