Unless you are winning at gambling I don't suggest you to keep doing it.
Even if we keep losing but as long as we are enjoying and we only spend what we can afford to lose then I am sure there will be no problem.
Gambling is a way of entertainment, you don't have to be serious on it, just do it occasionally and everything will be fine.
I agree with you both. As long as you didn't cross your limit, everything is fine. But since it is gambling, winning all the time is not possible, there will always be some time when you don't win. Again, it's fine, as long as you are not using the money that is supposed to be for other important things in life.
Discipline is the key so you won't waste money in gambling whether you gamble with fiat or bitcoin.