how much chewing tobacco Are We Through With Chew Yet? | ENT Specialists of Illinois Chewing Tobacco Health Side Effects,

In regard to cessation of tabacco use, those who use more tobacco and for longer periods of time are generally less likely to make a quit attempt or to succeed in an attempt, and adolescents who have made a greater number of quit attempts are more likely to quit

Prolonged exposure to nicotine, however, causes an increased number of binding sites, a process known as upregulation that is important in the craving and withdrawal effects seen in nicotine addiction

doi: 10.1093/pubmed/fdaa229, 19

He didn't smoke a single cigarette, let alone indulge in other excesses of the youth

Cigarettes contain nicotine, a highly addictive chemical that damages the lungs, heart, and blood vessels

Right, you were telling me earlier that you were with your kids