Keep having fun

"Tsunade," said Boruto. "I want you to act like a cow. A big boobed cow with milk for her master."

Tsunade got on all fours. "MOOOOO!" she practically yelled, beginning to waddle around.

What really surprised Boruto was the small trickle of milk coming from Tsunade. So it seemed women could modify their bodies physically to meet Boruto's expectations, and he had said she'll have 'milk for her master'...

"MOO!" Tsunade continued to bellow. "MOOOOO!"