However, if you gamble excessively without setting time limits, I understand that time is a very important thing in life and shouldn't be wasted. However, I usually only gamble when I have a boring free time with nothing to do, and that's when I'll gamble with a small amount of money. When my time is up, I'll go back to other activities.

It's certainly concerning when someone loses a lot of time in addition to losing a lot of money, but one thing I will say: never think of exchanging your time for money in gambling, don't think about the reward.