sex instinct, n.Definitions

The Sex instinct (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠"fixed" already, and will cease to be so only through castration or impotence.