Well, I can always use the toilet before and after work.
Hmmm... But then again... I guess I may unexpectedly have to use the bathroom at one point... Yeah.. Maybe you're right, maybe I shouldn't drink much while im at work, Dredd-taichou.
Also, how in the world do you own something older than Freet? What, you buy the thing from a garage sale or something?
Turn down the lights if you can. Rest your elbows on your legs or hug yourself. Put your head down so your chin touches your chest, flex and relax your neck and shoulder muscles for a few seconds, then release. Do that for a minute or so. Take deep breaths.
Now, relax as best you can and roll your head in a circle, clockwise a few times then counter-clockwise - slowly so you don't make yourself dizzy. You can also moisten a hot washcloth and press that against the back of your neck and your temples.
The best solution is a pain-reliever, but this will do until you get home.
If you're the type that tenses up a lot, you probably have a thousand knots in your back. Have somebody massage those out.