Here at Unicorn Boners we bring you the best in Unicorns, Boners and Unicorn Boners. There isn't much else to worry about beyond that equation.
It's a Koan, really. Do Unicorns have Boners? And if Unicorns had Boners, how awesome would they be?
It was Descartes who first posited that a Unicorn without a Boner would be an imperfect Unicorn. And a Unicorn is a perfect being. Therefore, a Unicorn must have a Boner. A perfect, Unicorn-ish Boner.