You are getting surgery in your arm. They are putting a plastic “rod” in your arm that is full of superheroes. These superheroes travel to your uterus like Osmosis Jones. Once they are in your uterus the superheroes perform the best game of red rover ever thus preventing sperms to snuggle with the egg. This happens for 3 years.
—  After explaining my chosen birth control method, Austin understands it perfectly.