. . .Only gamble if you want to lose your coins.
. . . Wouldn't it be more accurate to say not to place bets that have a negative expected value as a known outcome? . . .
Where the hell do you find a gambling service that has a positive EV?
I believe he is referring to poker. If he is being honest, then it would seem that he is a skilled player who has enough of an edge to overcome the rake.