Answer:
What can you catch but not throw?
I am asleep when you are awake I am awake when you fall asleep. I can fly but no feathers to aid my flight.
I hold two people together but touch only one.
I fly away as soon as you set me loose. People around you may slowly move away once they sense my presence.
I can run but not walk. Wherever I go thought follows close behind.
What did the piece of wood say when he saw the screwdriver and screws approaching?