For me that urgent need for a cig would last well into week two, not just 3 or 4 days.
not if you go 100% cold turkey
the symtoms are a medical condition- they can not last longer than a weel (except psychologically)
And once you KNOW the symptoms of withdrawal, it is easier to deal with. Sleeping pills for the insomnia, and valium for the nerves
one weekax- you’ll be off them