From xkcd, number 651:

This is exactly what bugs me about the TSA’s “security” these days.

I just read this post and found it quite humorous, especially this comment at the end:

And, of course, if you want to make things really awkward, I suggest printing out this article and trying to explain it to the guy peeing next to you.

There are times when you think you waste most of your time…  and then you read an article about optimal urinal allocation, and you feel better.