"You don't do those things, Jen, you know that," Susan told her. "You never have."
Jennifer felt a strange tingling sensation in her belly and groin area, but didn't see any obvious changes. She did, unbeknownst to her, loose all memories of ever having urinated or defecated.
"In fact," Susan continued, "you've always said you loved not having to go to the bathroom, because it makes it easier to keep your tail clean."
Jen suddenly remembered her "new" horse tail, and realized she had been subconsciously moving it. She stared off for a minute, trying to piece the situation together. Jen felt like she had known SOMETHING about the bathroom a minute ago, but couldn't quite picture it in her mind. A few questions, however, nagged at her mind.
"Alright," Jen told Susan, "so if I don't pee, what does my pussy do?"