The Twenty Year Pills

Freddy is prone to getting kidney stones.
He hasn’t gotten them recently, but he’s terrified of getting them again.
And waiting hours in the Emergency Room in dire pain.
So, he changed to a plant-based diet, avoided red meat, and doesn’t drink at all.
And he keeps a supply of the medication on hand, just in case.
“These pills are twenty years old,” says the customs officer at the airport.
“My kidneys are twenty years older, too,” says Freddy. “The pain will be twenty times worse.”
The officer thinks for a moment, stamps Freddy’s passport, and waves him along.
“NEXT!”