Is the bruises!!!!
From waist down I am covered in bruises. Holy cow! I look like I've started a tackle football team. Just when I got rid of the bruises from my first fall (aka first ride with clipless pedals), I fell AGAIN because I leaned to the wrong side at a red light. Of course there were a MILLION cars in the intersection. They probably thought I was drunk or something the way I collapsed from a standstill.
Not to mention the leg bruises from near-falls and near-misses. I even have a bruise right on my butt! Highly uncomfortable....
I hope I get a little more graceful with experience, LOL.