We call that early traps from casino to gambler, most especially on in house games, the casino allow the players to win a few games and then after hit them with the heavy stroke, winning a small amount at first time is Sweet and a tempting start to continue gambling, but for wise gamblers, what is needed at that point is to lower your wagering amount in a bit to secure your longer playing time, so even when you lose a few vet along the line the impact of your finances won't be that much, and if the casino hand you out some winning you take them with good faith and in the end it's a win win so long as you walk away with something regardless of how small it may be.