Many musicians say that performing is the most fun thing they do. If that's the case then the Rolling Stones take it. Basically, don't take life as optimising a

Many musicians say that performing is the most fun thing they do. If that's the case then the Rolling Stones take it. Basically, don't take life as optimising a single metric. It's a balance (or a Pareto frontier, if you're formally inclined). The core members of the Rolling Stones and the Beatles certainly have enough money and enough fame. Are they happy though?