I've had every known chemical - cocaine, booze - and tobacco is the hardest one in the world for me to quit. You watch old flicks? It's suggestion by looking at something: You see a cigarette, and it makes you want to smoke!
Very few, if any, first-generation black or white or Asian kids will pursue a Ph. D. They'll pursue the professions for economic security. Many will go to law school and
or business school.