its because of accident
No, because you were not "Driving" under the influence. You should never ride in a car or allow someone who is drunk to drive a car though.
none, unless you drive the car. the consequences for that are from tickets to jail time.
If you drive when drunk, your car is likely to collide with a tree or lamppost.
Yes, it is.
you cant drive your car if you have hole in your engine because your engine is a propeller for your car.
no the person can't be held responsible unless he/she put the keys in the car and cohersed the other persion to drive. it is the responsibility of a bar to try and find alternate means for them to get home but once they are off your property then it is out of your hands
no, the person driving the car will be 100% responsible. i had that happen to me in the states and his auto ins didn't cover someone intoxicated, but he still had to pay, through court.
Yes
yes
Yes.
A Ferrari Monkey
Yes it definitely is dangerous.