Answer:
When you are inside me you will be encouraged to slam other cars.
I am an odd number. Take away a letter and I become even. What number am I?
What is black when you buy it red when you use it and gray when you throw it away?
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.