[Questron]

If I'm as busy as OP (claims to be), then no way.

EDIT: Think about marathon runners: they drink water and electrolytes. I'm pretty sure I can handle a workday fully concentrated without eating every three hours.

[tormeh]

Well, you're better able to digest when you're not constantly running, and you're less reliant on concentration for a marathon.

[erikpukinskis]

When I ran an ultramarathon (31 miles) I ate a lot of Oreos during the race. They have snack tables along the route.

[cynic_]

Marathon runners eat during the race

[TeMPOraL]

Can you handle a marathon on water and elecrolytes each day, every day, for most of your career?