Just like how you can get a contact high from being around people who are smoking weed, Tessa's boobs enjoyed a contact growth spurt from hanging around Leanne so much
Man, Tessa sure did get the beauty-boob genes. Genetics researchers of the world, request a saliva sample and figure out how to make more of that!
Indeed, I'd just be happy with a clone since we already have the technology for that, can you immagine coming home to this?