A word of caution.
I never thought it would happen to me, but it did.
For those of you who shoot with a D-Loop make sure that you check it every so often. I was out shooting today, and after about 30 or so shots it happened. I was at about half draw and WHAM, I hit myself in the face. The arrow sails off into the trees and I'm seeing stars. When I tied the loop, I didn't fray the ends enough when I burnt them and one end was small enough that it finally pulled through. Fortunately, because of the way I draw I only hit myself in the chin, but it was hard enough that I stumbled backwards a bit.
So, everyone make sure to check your loops once and awhile. You could put and eye out or something.