Joke Collection Website - Cold jokes - Why is the number 1 sometimes called' waist'?

Why is the number 1 sometimes called' waist'?

Tell a joke. An old man has to wait in line to see a doctor. The result was ranked as 138. When he was about to be ranked, he heard the lady who called him shouting "No.38" there. Shouting for a long time, the old man didn't respond. The lady went to ask him,' You are number 38'. Why didn't you respond? The old man thought,' No.68' was taken to the hospital. After going in, the doctor asked him, what's wrong with you? He said,'1pain'