The Difference between Karate and Sex

Even ugly Karate-ka score regularly.
In Karate you have a Sensei to tell you what you're doing wrong, and you get to practice first before trying it out for real.
You can practice Karate with strangers without getting a bad reputation and you don't have to spend $30 in the bar getting to know them first.
You are not being insulting if you insist that your Karate partner wear protective gear.
No one expects a Karate bout to last much longer than two minutes and you don't have to worry afterwards if the other Karate-ka enjoyed it or not.
In Karate you don't have to get your own equipment until you decide whether or not you like it.
You usually practice Karate in a big, brightly lit room with lots of people in it.
The person you're practising Karate with won't mind if your buddies stand around and cheer for you.

It doesn't hurt if someone steps on bo.
It is almost impossible to catch a disease from a bo.
You can play with your bo in public and no one will laugh.
No one cares how long your weapon is, and if it breaks you just go get a new one.
It is easy to get pretty girls to hold on to your weapon.
Finally, and perhaps most significantly, in Karate if your opponent doesn't come, you win.