Run Without Gettiing Tired Riddle

Riddle: I can run constantly without ever getting tired. When I run, I frustrate people and drive them crazy, Yet I don't even have to move to irritate you. What am I?

Answer: I am a runny nose.

Source: https://www.riddles.com/743

I can run constantly without ever getting tired. When I run, I frustrate people and drive them crazy, Yet I don't even have to move to irritate you.
What am I? — Run Without Gettiing Tired Riddle by Anonymous v1.

Riddle: I can run constantly without ever getting tired. When I run, I frustrate people and drive them crazy, Yet I don't even have to move to irritate you.
What am I? Answer: I am a runny nose. — by Anonymous v2.