A man goes to see the doctor about a serious cough

A man goes to see the doctor about a serious cough…
The doctor examines him, runs some tests, and leaves the room. A few minutes later, the doctor returns.

“I’ve got some bad news for you,” the doctor says. “You don’t have much longer to live.”

“Oh my god,” the man replies. “How much time do I have?”

The doctor says, “Ten.”

“What do you mean, ‘Ten’?” the man asks. “Ten months? Ten weeks? Ten days?”

The doctor looks at his watch and says, “Nine.”