Hmm, I think it's likely he was in a fairly active gambling environment, and his return to gambling is likely due to his inability to resist the temptations of his environment, leading him to relapse.
You say something that hits the nail on the head completely , because what makes people return to a dangerous activity is because it seduces them and they find it attractive, which becomes a temptation where if there is not enough strength they can fall again and those relapses are the ones that should be avoided the most, there is no need to think about it too much , those things if they know that they hurt us should be avoided no matter how pleasant it may seem to Play in the casino, an addicted person after being addicted, the fact of playing must know how to Manage their Emotions.