conving my parents for a guinea pig

Hi, I recently got a guinea pig called pocket. He is super cute and sweet and is acting great however, I want to give him a friend! I adopted pocket a month ago from a friend who found out he's allergic. My parents agreed to this as long as they didn't have to do anything. Now, I am asking...

Hey! I've wanted two guinea pigs for a really long time now. But, my parents keep on saying no. I've done everything though. I have written a four page essay all about them, why I want one. They keep on saying that they stink and are really hard work. I know they are but I'm really...