A: There’s something wrong with my right hand.B: What’s wrong with it?A: It aches most of the time.B: What do you think it is?A: I don’t know. I think it’s old age.B: If it’s old age, why don’t both of your hands hurt?A: That’s a good question. Maybe it’s not old age.B: Are you right-handed?A: Yes. All my life.B: You’re wearing out your right hand. Stop using it so much.A: But I do all my writing with my right hand.B: Start typing instead. That way your left hand will do half the work.