So you might say you were as busy as a bee if you spent your weekend cleaning your house.
VOA: special.2009.06.28
Their productivity may decline as they get older although people gain in experience, their capacity for sharp thinking falls off but the traditional pattern of retirement, in which one day an employee is in a bustling office busy as abee and the next he is good only for the potting shed and the fireside chair does not make sense for the economy, for companies or for people.