Okay, I get it that banking is a very strenuous job and bankers can't be expected to work more than six hours in a day, but how about putting those hours at some point in the day when all the rest of us aren't working?
If dogs ran the world, I guarantee we wouldn't have a 40-hour work week--more like four. I guess that's why humans run the world though--those lazy sons (and daughters) of bitches didn't have the wherewithal to take over. Or did they? Maybe that's why we do all the work to pay for their food and shelter and they get to lay around all day until they feel like playing. Lucky dogs.
Some guy once said "I like work; it fascinates me. I can sit and watch it for hours." Probably he ended more than one day beaten senseless.
It's usually a mistake to work too hard or well--someone is bound to give you more to do.