Boob saves drowning friend

I was swimming with my friend she couldn't swim and some jackass threw her in 12 feet, she was so close to drowning but her breast began to swell but like rlly huge and instead of drowning due to panicking she floated up and made it out the pool safely and till this day I still believe human evolution is beyond our understanding and only our body know it's true potential, there's always more room for potential and it's ready