Why ? The answer is very very simple in 99% cases in gambling, and i think You also know it.
( and pleasure from boosting yours brain neurotransmitters like adrenaline, dopamine, serotonine during play )
best of luck!
ye ye.. do you know what ? I have and idea... call to police officer and tell him you want became a begging detective and also if he arrange You that position you will be buying for him donuts till he retire