Venn diagrams have long been engrained in our heads. We were introduced in elementary school - typically it was to find the overlap in two different stories or two characters in a story. It was always educational.
Nowadays, we realize, "Hey! Venn diagrams are extremely accurate in depicting several real life situations we may stumble upon."
To Sing or Not to Sing?
Applies to 99.7% of the males I know:
And my personal favorite...GET SPLAYD.