How much common sense do you have?

A quiz measuring how much common sense you have ... please answer truthfully ;)

1 Do you hesitate when asked to give your full birthdate, purely because you have forgotten it?
2 Have you ever pushed a door that was CLEARLY marked "pull" (or vice versa)
3 Do you know what bricks are commonly made out of?
4 Do you know the difference between a moving train and one that has stopped?
5 If a murderer was chasing you, what weapon would you be likely to use against him/her?
6 Do you understand that the repercussions of getting nine stitches in your head may be headaches?