Tell your mom, that the worst part of a colonoscopy, by far, is the prep. The BRUTAL prep. What am I referring to? They have you take two gallons of water, and add one packet of this fruit-flavored stuff called "Go-Lightly" to each gallon. Then they expect you to DRINK BOTH GALLONS in preparation for the colonoscopy. As you might expect, Go-Lightly makes you go number two. When I did the prep for my colonoscopy, I went to the bathroom so many times, I used up every towel in the linen closet. When I left to go to the hospital for the outpatient procedure, my house stank like a pesthouse. And get this: I had only drunk ONE of the gallons! I knew I was supposed to drink two, but see above!