If someone who claims to gamble for fun became addicted why gambling that means the person does not gamble for fun, the was just lying to people that he is gambling for fun, people who gamble for fun, just gamble for  once in awhile and that will make them to have a lesser interest in gambling,

They have what time do every time and their gambling is to free themselves from stress and that's why they gamble, someone that gambled in such way will not gamble and get addicted in the gambling, getting addicted in gambling is person that gambles for benefits and it will be looking for a way to be consistent in the gambling so that it will make money through gambling