I took pairs of 15 and 40 pound dumbbells into the office. People could come over for a change of pace, get the blood pumping, and leave. They weren't much of a

I took pairs of 15 and 40 pound dumbbells into the office. People could come over for a change of pace, get the blood pumping, and leave. They weren't much of a distraction and didn't take up much space.