"...the limit is 5 hours." The ministry official explained, bored out of his mind.
"And if a time-turner is turned in the past?"
"...how?"
"I go back 5 hours, remove my time turner - placing it in my room. Then my 5 hour-young self walks in, picks it up and spins it; sending herself 5 hours in the past?"
"The sands would destabalize and the instrument would break."
"And how many versions of myself can exist at any given moment?"
He stiffend, eyes sharp. "...why?"
"Better to be safe than sorry?"
"...right." He sighed, resigned. "3."
"And, what if..."
