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Having Sex
Time Required: The median period required for an adult heterosexual sexual encounter is 5 minutes and 24 seconds (not exactly something to brag about, but efficient!). We’ll be generous and add 20 minutes for foreplay and pillow talk.

Where to Find It: Facebook reports that users spend 50 minutes a day on its platforms. By our count, that time adds up to two quickies or one leisurely romp.