What should i exspect when i've quite smoking crystal meth 'as knowen as jib' ?

Healthy longer life: Jib is just one slang term for crystal methamphetamine, and isn't any different than any other "brand" of this awful drug. What you should expect is relapse, unless you get involved in some form of support system. It is a difficult drug to quit, and congratulations on making the decision. There is no "withdrawal" syndrome, though fatigue and increased appetite and sleep may occur, lasting < 1 week.