n :  the sum of life-preserving instincts that are manifested as impulses to gratify basic needs (as sex), as sublimated impulses motivated by the same needs, and as impulses to protect and preserve the body and mind - called also life instinct  - compare DEATH INSTINCT 
Eros Greek mythological character. Eros was the son of Aphrodite. As the Greek god of love he excited erotic love in gods and mortals with his arrows and torches.
 
   
 
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