How to convence my mom to let me breed my guinea pigs?

ok so i have a short hair female guinea pig and my friend has a male guinea pig. i know alot about breeding cause ive researched ALOT ive been researching about this for about 2 years now and i think i know nough to breed my guinea pigs. but my mom doesnt want to keep up to 8 pups at our house. now what? i know im risking my female to die or have birth complications but im willing to take it. she is healthy. so any advice on how to convence my mom to let me breed them. i really want to breed them