This is what sex looks like to your fitness tracker

Spoiler: Erratic and possibly short.

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Fitness trackers: healthy little helpers or no-good gadgets

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I Used a Fitness Tracker to Track My Activity Level During Sex

Oh man, now there's a sex fitness tracker for your penis - Muscle

Sexual Activity Tracked By Fitbit Shows Up In Google Search

A Woman Caught Her Boyfriend Cheating When His Fitbit Spiked at 4 a.m.

I Wore My Fitbit During Sex to Learn How Many Calories Getting