The main of gambling should be to enjoy the game and winning should be as a bonus but we prioritize our expectations more so we end up getting disappointed when. We lose. Gambling is a game of luck, this alone makes it very uncertain, losing when gambling is taken too seriously it won't be enjoyed. Stake what you can afford to lose and don't expect too much. It's better to fix your mind on losing to reduce your expectations
It purely insane for a gambler to be happy while loosing, except the player is using another person stolen money to gamble. While gambling has remain a game of luck, it's been proven that many fail bets makes a gambler never feel disappointed anymore but get used to loosing, but that doesn't mean they are happy or they enjoy loosing. Nah