Sooner or later doesn't Everyone stop smoking? Things to Ponder (3) ?

Another posting of have you ever wondered?

1. Why do scars never go away?
   
2. Sooner or later doesn`t EVERYONE stop smoking?
   
3. Why is a keyboard called a keyboard, if it just has little buttons?
   
4. What happens when none of your bees wax?
   
5. Why do they sterilize the needles for lethal injection?
   
6. How can someone walk up hill both ways through 32 feet of snow?
   

Feel free to add any "things to Ponder" here by leaving a comment with them!