It's an exquisitely fine gradient if one includes enough dimensions. My dad (now in his late '60s) saw the writing on the wall ca. 1990. He still smoked regular

It's an exquisitely fine gradient if one includes enough dimensions. My dad (now in his late '60s) saw the writing on the wall ca. 1990. He still smoked regularly, but realized that both smoke in the house and being seen smoking were bad for his kids. For a few years he made a nightly ritual of going out into the garage to smoke, then quit altogether.