If he was afraid to lose it somehow then he probably might not be able to afford that much to lose in a bet but a $0.7 is generally somehow small amount for a bet..
Hence, whenever a bet is taken consider the money gone until you eventually win it back with a return on it.. this is why it's advised to always bet what you can afford to lose ,so if he cannot afford to lose the $15 then he shouldn't, there's no point in taking the risk, although there are times the risk could be worht it yet we ought to gamble responsibly.
The house gets trickier on players in every moment of loss, accepting the money is gone should close up any expectations of winning more than the equivalent. Hoping to gain extra fund pins the player into further clicks and subsequent regrettable losses. Moreover, eventual wins arrives at a player's weak point, the toughest time to stop, for most gamers, the game will go on. In a nutshell, gamblers should take off the view of an unexpected win, and accept loss instead of risking money to grab wins.