This is normal for greedy gamblers. You get more excited to bet when you’re in a winning streak, I think everyone does. The problem is, due to your overconfidence that you will consistently hit a huge amount, you tend to lose control of your funds, until you end up realizing that all your profits have turned into losses already, and you can’t do nothing about it but to regret and blame yourself, wishing you immediately cashout your winning amount. At least you learned your lesson as well.
Winning doesn't last and everyone that's experienced with gambling should know that sooner or later they might experience losses. This is why it's important to take advantage of wins you have the opportunity, some gamblers get carried away when they look at their potential win forgetting that it can easily be ruined... I stopped joking with cashout offers after some experiences in the past