10 POINTS! How do I convince my Mom to let me get a Leopard Gecko?

So I've asked her so much that really she doesn't care anymore. She just gets PO'd so now I need to go get some answers from you. I need some serious persuasion techniques for some serious stuff. Please? Ok thanx and plz star...U do and I give u thumbs up. U don't i give u thumbs down. HOORAY! lawl thnx