Here's a three picture progression that shows you why I probably came home from Costa Rica with giardia.
In this picture I am happy, I am enjoying rafting in Costa Rica. Life is good. Krista is immediately behind me in the blue helmet. For those of you who might know the others, the back left yellow helmet is Hayley from Idaho, next to me is Jason from Reno, then Adena of Corvallis and Alex of Montana.
As you can see, I am now completely submerged. Notice that K still has a big smile on her face.
I emerge from the river, wetter and wiser. A lesson for all of you: do not go under water with your mouth open.
Click on the pictures to see them larger.