Subsequently, Liebowitz reasons, animals and likely humans are genetically programmed to secrete endorphins in situations of social comfort such as sex, which would help them to feel both less anxious and also give them a sense of well-being. ... In particular, this research has been helped by the use of objective pleasure-elicited reactions in humans and other animals such as the behavioral ˜liking'/ ˜disliking' facial expressions to tastes that are homologous between humans and many other mammals. ... The new couple realizes their dreams, aspirations, and unexpressed...

• Word Count: 3859
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate