My brother is like a guinea pig because he is sometimes very nice and comforting.
My brother is like a guinea pig because he can be very annoying.
My brother is like a guinea pig because he doesn't get much sun.
My brother is like a guinea pig because he wants to be left alone.
My brother is like a guinea pig because he can be cute sometimes.
I liked it, the discription is very good and I loved the picture very cute.
I really like the animation you have used, where did you get it?
The only thing i have to say is some of your words are very close to being the same.
But other then that I loved you poem!