Those balls on your nan are almost as old and dry as ghandis flip flop

"⣿⣿⣿⡇⢩⠘⣴⣿⣥⣤⢦⢁⠄⠉⡄⡇⠛⠛⠛⢛⣭⣾⣿⣿⡏
⣿⣿⣿⡇⠹⢇⡹⣿⣿⣛⣓⣿⡿⠞⠑⣱⠄⢀⣴⣿⣿⣿⣿⡟
⣿⣿⣿⣧⣸⡄⣿⣪⡻⣿⠿⠋⠄⠄⣀⣀⢡⣿⣿⣿⣿⡿⠋
⠘⣿⣿⣿⣿⣷⣭⣓⡽⡆⡄⢀⣤⣾⣿⣿⣿⣿⣿⡿⠋
⠄⢨⡻⡇⣿⢿⣿⣿⣭⡶⣿⣿⣿⣜⢿⡇⡿⠟⠉
⠄⠸⣷⡅⣫⣾⣿⣿⣿⣷⣙⢿⣿⣿⣷⣦⣚⡀
⠄⠄⢉⣾⡟⠙❤️⠈⢻⣿⣷⣅⢻⣿⣿⣿⣿⣿⣶⣶⡆⠄⡀
⠄⢠⣿⣿⣧⣀⣀⣀⣀⣼⣿⣿⣿⡎⢿⣿⣿⣿⣿⣿⣿⣇❤️⠄
⠄⢸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢇⣎⢿⣿⣿⣿⣿⣿⣿⣿⣶⣶
⠄⠄⠻⢿⣿⣿⣿⣿⣿⣿⣿⢟⣫⣾⣿⣷⡹⣿⣿⣿⣿⣿⣿⣿⡟
⠄⠄⠄⠄⢮⣭⣍⡭⣭⡵⣾⣿⣿⣿⡎⣿⣿⣌⠻⠿⠿⠿⠟⠋
⠄⠄⠄⠄⠈⠻⣿⣿⣿⣿⣹⣿⣿⣿⡇⣿⣿⡿
⠄⠄⣀⣴⣾⣶⡞⣿⣿⣿⣿⣿⣿⣿⣾⣿⡿⠃
⣠⣾⣿⣿⣿⣿⣿⣹⣿⣿⣿⣿⣿⡟⣹⣿⣳⡄

+rep for beeing idiot :)

-rep for beeing idiot :)

if mankind ever what?

I have never seen bigger balls anywhere than I have seen on your nan. The absolute girth of those balls is enough to end the world with just a single nut brushing the ground. So no your nan has the bigger balls.