Some of them are because they do not have other activities so they continue to gamble and besides, they have a target to have money in gambling so they continue to gamble every day. There may be many more factors that make someone become a gambling addict, including because they have experienced many wins in gambling, so they think or assume they can continue to do it and or get it even though in reality, their efforts that continue to be made do not always give good results. Thus, they have gone too deep into gambling, making it difficult for them to avoid gambling because gambling has been considered their main activity every day.
The profit from the gambling will make the gamblers addicted o the gambling for the longer period of time.Even the gamblers make many loss in a row,the bulk win for few times will make the gamblers addicted to get that big money again in the same gambling site.Also he get more confidence in their game,when the game bring many winning to his wallet.Regular play in the gambling will make the gambler to make money in the gambling site.Because he may get more adaptable to the environment of that gambling site to make more money.