Addiction are reason why people keep gambling even though he always loses. Gambler has forgotten what he has lost from his life, no matter how much money and stuff he spends on gambling. Because head of gambler is filled wishful thinking.
It is not , actually the main reason that people keep on gambling because he wants to do so. No matter how addicted you are, if you have determination to stop then you will stop. First of all, we control our own mind so anything that we want to do should be easy if we are determined enough to do that