Craving for nicotine or alcohol or highly refined or pure nutrient loaded food products are similar

http://www.jneurosci.org/content/36/33/8612.long

https://www.nejm.org/doi/10.1056/NEJMoa1803626

Nicotine/sucrose findings

https://www.ncbi.nlm.nih.gov/pubmed/22340200 

Others have reported an incubation of nicotine craving (humans and rats).  I suggest that there might be a cross-incubation such that during abstinence from nicotine there is an abstinence-dependent increase in craving for sucrose (or carbs in general).