I don't understand why people tailgate

I'm not a super slow driver, I do the speed limit and usually closer to five above. It never fails though, I get some jerk behind me that feels the need to ride my bumper.

WHY?

Someone explain to me how this does anything besides endanger others and annoy the hell out of them?

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About Melissa
Birth: December 31
On Moms.com since: Mar 3, 2014
I am a single mom of two fantastic kiddos that I love to pieces. Currently in school working towards my teaching degree. You can find me most days on www.mommathoughts.com when I am not here chit chatting! :)