Its also that you can win money with it.
People want to win back what they lose so they stay gambling.
the addiction slowly grows day by day. that's what make it dangerous. what came slowly will leave slowly too, only things came quickly will leave quickly.
Now you are going to go more often because know you believe that you are going to win next as well.
Most of the games you will experience losses because of the house edge. However, some games you can boost your chance of winning by doing research or improve your skills. For these games with more control in your hands, there is a chance that you can profit from it. The popular ones are sport betting and pokers.