[watwut]

It does not come from nowhere. And for many kids it simply does not appear just because you threatened to remove xbox. And followed up on that threst.

The poor impulse control remains poor impulse control. They will grow up from that, but in the mean time if you expect self regulation they are not ready for yet, both you and them are in for very unhappy time when they both play too much and are regularly punished for that - despite not being capable to self regulate yet. One would almost say that it is unfair.