The main reason Americans are eager for new goods and servises is because of economic growth.
At least three a day because one for breakfast one for lunch and one for dinner
Because, when an infection exist in the human body it tends to spread, so if the cells stayed in one space then the infection would have a much greater opportunity to severly make that person very ill before the cells could even get to the infection.
When I was racing my friend for our snacks the behavior changed we where more motivated to get the snacks we where both in heavy competion
