He or she has every reason to want you to quit smoking. Your doctor will have suggestions on diet, exercise and good habits for you during transition from smoking to health. Treat yourself nicely. An ice cream cone when you need it or a candy bar won't hurt most people and will give a lift of pleasure when you need one. Place support slogans in places where you will see regularly-by the phone, in your office or bedside, even above a mirror in the car.
Visual reinforcement is a valuable aid.
It motivates you to think about the rewards of success rather than surrender. I discovered years ago that to survive merely for fun and frolic would be an empty existence. There was the dream that I had followed which involved leaving a beneficial legacy to mankind. I experimented with a number of natural substances. After many failures, I recognized that the solution was not in man made science but in nature itself.