Gambling is just so addicting and this is all because of the fact that its very enjoying for a long time period plus a lot of people get greedy too.
Yes people get too greedy and stay doing it over and over till the lost everything, they want to win their money back and are coming back again and again.
Yes the worst thing you can do in gambling is to chase your losses because that is when you will start to lose much more than you planned.
Go in with your bankroll and either leave once it's gone or doubled.
That's the root cause of addiction, a gambler tend to think at first, that he can win a lot of money by simply gambling his own. But what is happening he is making a wrong decision and just dragging himself into an hole which leads him losing a lot of money. And that's the time he is chasing all his loses which is obviously happening to most of us.