I did not know that...
Some psychiatrists have theorized that some of those who "smoke" are subconsciously substituting that cigarette or cigar orally for "something else."
It's amazing what conclusions one may draw from the smoking issue -- ain't it??....
And many psychiatrists state unequivocally that one's need to control others may stem from premature potty training. The term is "anal retentive." If the shoe fits...