Doing a google search, all of the websites that I looked at agree that 30 percent of people will have withdrawl symptoms. So while that is low, I think your right to keep some on hand incase you start experiencing withdrawl.
"Being with people that understand you...Priceless"
"and i don't want the world to see me, cause i don't think that they'd understand"
"You don't know what love is...you just do as your told"
"My life has changed. What you take as a simple thing, is not so simple for me anymore"