Nicotine is easily the hardest to quit… I just went through the quitting…
I quit Alchohol 25 years ago, and although it was tough, it was no were near as hard as cigs! LOL
It sounds simplistic, and possibly foolish, but it really does come down to making a personal choice TO quit. You either choose to, or choose not to in the end, and the consequences of either choice are there for you to deal with.