Im Coming Off Kadian 150 Milligrams /obviously Everyones Different ....though

im coming off kadian 150 milligrams /obviously everyones different ....though Im hopein that theres a kinda expected course to schedule off thisc drug ive been on a couple yrs...now and was on ....oxicotin b4 that ....been off that for many yrs ,,,do you have any ideas on how long my whole life is on hold /moving....wkin....an on an on ...????