Why does my girlfriend only achieve orgasm when tied up

#x3C;p>My girlfriend is anything but submissive, yet she only achieves orgasm through bondage</p>

Why Do Dogs Get Stuck Together When They Mate?

Breast size: a human anomaly, Carole Jahme

Example of monkey music created from their calls, Science

Stomach Pain After Sex - Why Does My Stomach Hurt After Sex?

Evolution + Evolution, Page 77 of 108, Science

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10 Things Women Loves During Sex

The Orgasmic Mind: The Neurological Roots of Sexual Pleasure

Ask Carole, Science

How to Hogtie Someone: Step-by-Step Guide for Safe Play

My girlfriend wants me to tie her up but don't know what to do. What should I do? - Quora

Does homosexuality have to be an evolutionary dead end?