Bankroll size means we can set how much money we can use and how much we can bet. But you should know that whether you have a big bankroll, you need to control and not spend too much. Otherwise, you will have a chance to lose all.
If that happens to you, you should realize you need to stop gambling. Bankroll size should not interfere with your intention to have fun in gambling. You need to allocate money for gambling and stick to that.