Your mouth wants the motion

Notice where the pull actually is right now. Not in your thinking, in your hand. It is already halfway through a motion it has made tens of thousands of times: reach, lift, mouth, pause, lower. That loop got more practice than your signature. It runs without asking you, and when it fires with nothing at the end of it, the emptiness at the top of the motion is what you are calling a craving. Part of what is pulling is choreography, and choreography redirects far easier than chemistry.

So keep the motion. That is the move nobody tries, because it sounds like cheating and it feels beneath the size of the problem. Do not take the dance away, change the partner. A straw in a cold drink. A toothpick. Sunflower seeds. Ice. A pen you can click. Something with a snap or a chill or a bite to it, something your hand can bring up to your mouth on the rhythm it already knows. The choreography gets fed. The nicotine does not.

This works because the loop is not loyal, it is lazy. It wants completion, not content. Give it a repeatable action with a real sensation at the end and it accepts the substitution far more readily than your pride expects it to. Cold and sharp and crunchy all register, which is why iced water beats room temperature every time. Meanwhile the part that actually mattered, the reaching, gets to finish instead of hanging open. An unfinished motion is most of what makes an urge feel unbearable.

Keep the props where the urge finds you: the car, the desk, the coat pocket, the step outside the door. You are not white knuckling anything here. You are giving your hands honest work while the wanting burns down on its own clock. In a month the loop fires less often, because it will have spent a month arriving somewhere harmless. God gave you a body that learns whatever you rehearse in front of it. Hand it something worth rehearsing, starting in the next ten minutes.