I think it is during your teenage years
D.) Washed your hands first.
It is D.) because when you wash your hands first you're getting all the germs, dirt, or whatever is on your hands, off. Then you go back and put hand sanitizer to then in a sense "clean" it more. Plus who knows what is on that paper towel you just dried your hands with.
Addiction, heart problems, and many health issues
Helping others may help create social bonds. If this is the case, then people may be more inclined to help those who appear more socially desirable.
