I was too optimistic into gambling when I've won my first few wins which I think that it's easy and that will continuously going to happen again.
Well, its the usual mindset of new gamblers who didnt experience losses yet. First winnings can encourage the gambler to try again thinking its easy to win but we know its not the case.
Its really necessary to ask yourself why do you like to gamble, either for fun or to earn. What you prefer, luck based or skill based because it depends for each of us.
Regardless if you're playing in a casino or sportsbet, dont forget that winning is not easy hence its best to have less expectation so it wont be hard to accept if you lose your money.