tobacco chewing and diabetes is bad for What can dipping chewing tobacco do to your body? Type 2 diabetes and tobacco:

[Google Scholar] 24.Sharma S, Jain P

If you smoke your first cigarette more than 30 minutes after waking up, use 2 mg nicotine gum

Also, if you love SWY Intensely and ever thought "wow, the only thing that could make this even better is if it had tobacco" then this is a must have

E., Penelope, Shi, Y., Liles, S., Wang, L., Caron, K

Caffeine typically remains active for 4-6 hours, while nicotine effects peak and decline within 1-2 hours, causing more frequent energy fluctuations

It will take some determination to introduce healthy habits that help you quit smoking without gaining weight, but I believe you can do this