gambling is so addicting because sometimes when you gamble you are enjoying your life and gamble is addicted also because when you loss this day you will come back tomorrow and you want to bring back to you the money you loss, and if you win, this can bring you happiness and comeback again because you are enjoying your winning. and that is the rotation why you are being addicted in gambling.
The only reason that made people addicted is because of money, if we can win money with few single click on the site that is addicting. People are only greedy with money thats why alot of people dont want to stop gambling but instead they will keep trying until they win alot money. It is hard to get out of gambling once you are addicted
But what i think gets many addicted has to do with greed to make more money or the thought of trying to win back losses incurred in the past. This has led to many gamblers borrowing money and if luck elude them loose all and are ever in debt and wanting to get them back.