[corsakh]

The more Boosted defends his position, the more it looks like a concious scam with the intention to gamble on a fools money from the very beginning. If this was not the case, Boosted would agree to return the money a long time ago just to avoid the humiliation. Now he doesnt have any choise but to continue saying he is right.

OP is not a bank. He did not ask you for interest when he agreed to loan you money in the first place, he did you a favour. No interest - no risk. Unless of course the person he loaned money to is a [censored].