Human behavior is such a complicated field of study in our world that people are still arguing about why we do the things we do after centuries of examining it.
Do we act in ways we're hard-wired to by our genetics or do our choices and the experiences informing those choices matter more than anything else? When we behave out of character, is that because we're acting differently or just defying how everyone perceives us?
These are big questions and none of them are something that a list of amusing pictures from the internet is equipped to answer. However, that doesn't mean it can't pull back the rug on some truths about how we behave.