After much research, number-crunching and careful observation, the answers are in. How much of your life have you spent ogling that pretty girl at work? Have you literally been sleeping for a third of your life?

It’s time to find out. Here are 20 facts about things you do in your lifetime. Prepare to be amazed.

1 The average human yawns around 250,000 times, over the course of his life. 

2 Big eaters! On an average, a person in the U.S. consumes about 35 tons of food in a lifetime.

3 Over the course of one’s life, human skin completely replaces itself 900 times. Put away those creams, because it seems Nature has the best solution to zits. 

4 The average human being produces about 25,000 quarts of saliva during a lifetime. That’s enough to fill two swimming pools. 

5 The average person spends 3 months of his life sitting on the pot. However, there’s no way to count the number of great ideas one has while sitting on aforementioned pot.