Back In The Good Old College Days, When Pulling All-nighters (sure, You Must Have Done Some Of Those Before!

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Back in the good old college days, when pulling all-nighters (sure, you must
have done some of those before!), at about 2 or 3am, try calling someone to
"remind" them to go to the bathroom (or do something). Wait for half-an-hour
or so, call again just to make sure s/he did what you asked them to do earlier!

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