Because even if you lose you still find way to gamble after all. And when you win a little you totally happy and then you are inspired to do gambling again to try another luck on it.
In short, it is our emotion that is the driving factor that we are going back and want to gamble again and again. For me, that emotion is focus on having fun and entertainment while I think others are really for the gain - at the end of the day when both of us experienced a losing session, I will be ok but I am not sure with the other whose aim is for profit
Stop making those excuses about feeling okay even if you loose from a gamble. Reality is that everyone goes imto gambling for the profit but when it turns out sour then some people start finding reasons to justify their loss. I will call a spade a spade and accept my losses after a gamble and come back again at the appropriate time. Gambling is so addicting because people fail to accept the results and they seek to explain and encourage themselves with some of these flimzy excuses that they had fun and that was their aim and not necessarily the profit. Such folks will keep playing and stand a great chance of getting addicted.