It would take months or even weeks of time. As your progress would be reset, your sacrifices (deleting your account, and WOW TBC Gold going through the first phases of withdrawal) will be deemed unimportant and meaningless, and you'd create more discomfort and pain in the future , rather than the current temptation you're struggling with.
It is likely that these cravings can be slowed down if persist in resisting them. Take a break from your computer and walk outside. Be busy, and do cheap Burning Crusade Classic Gold other things. Don't ruminate and, for the sake of God, cease watching WoW streams and videos. Do not let yourself fall back into.