Desires/Aversions

Desires: 

Love/Intimacy:

http://www.youramazingbrain.org/lovesex/sciencelove.htm

http://www.counseling.ufl.edu/cwc/types-of-intimacy.aspx

Play/Entertainment:

http://outofmygord.com/2010/01/19/the-psychology-of-entertainment-our-need-for-entertainment/

Food:

The desire for food is just as strong as the desire for sex, and is often exploited in the same way, presented almost erotically, which i find interesting as a concept

Aversions:

Pain:

http://www.bettermovement.org/2010/seven-things-you-should-know-about-pain-science/

Loneliness:

http://www.forbes.com/sites/daviddisalvo/2014/11/30/study-loneliness-isnt-a-symptom-its-a-disease/

Spiders:

http://www.iflscience.com/brain/why-are-we-afraid-spiders