This is another height of strong decipline. Having a strong control over your actions is a way of keeping your self in check and noticing if you are getting addicted or not. Staying a week without gambling a your own will is really a good checkmate for how much control you have over your passion and this if applied to other areas of life will give you a good life result.
Many can't do that.
Those gamblers that have self control and can maintain themselves to keep checking if they're still okay or not. And if they can abstain from gambling within a week or two.
They have a good self contro..