Do you think your self is located in your heart or your brain? In 2013, there was a series of 9 studies, and this question was asked to hundreds of grad students at North Dakota State University.

“I heart you,” “I heart Grandma,” “I heart Hillsboro,” etc. They are on so many shirts, mugs, television, and likely even text messages. I think I’ve seen some “heart” slogans in ...