The adrenals produce it in abundance during youth, helping to create the energy, optimism, sex drive, and high level of immunity we enjoy in our twenties
Smoking for that generation in Japan was a luxury and a way of being social, so all spaces offices, homes, cafs, restaurants, trains, and theatres were all smoker friendly, needless to say, the governments vested interest in the prosperity of the tobacco industry had something to do with smoking being completely unregulated
Yet they share an unfortunate stigma with cancer patients who smoked
In the first frame of that shot he is on the left, the opposite side from where we left him in the wide shot, but I chose an opening frame where his face was covered in shadow, so the audiences focus of attention has time to shift from the bright slats on the right to Harrys face on the left (arrow), when his features are wiped into brightness as the elevator rises