This week I’m addressing why people do some of the things they do that bug me—and probably a whole lot more of you. Today is a very common one that happens mostly on planes but can occur anywhere we come into close contact: Why do people whack you with their backpacks when you’re seated in an airplane, bus, classroom, or restaurant?

This is due to a lack of spatial awareness as well as the lower number of nerve receptors on the back. For the most part, we know where our body is in the space around us . . .

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