I always remember what Bob Dylan said in that [Martin] Scorsese documentary on him. When he was asked about Joan Baez's complaints about the way he treated her when they were together, Dylan laughed and said, "It's impossible to be in love and wise at the same time. "
At a certain point you stop looking at your features, at what you don't look like. You start looking at lines and signs of fatigue rather than at the shape of your mouth.