Simplify the expression.(Assume x and y are positive.) 
Definitions:
Need for Affiliation
A psychological drive that compels individuals to seek out social interactions and relationships for a sense of belonging.
Stimulus
Any event or object in the environment that evokes a response or reaction in a person or organism.
Dissimilar Attitudes
describes attitudes or opinions that significantly differ between individuals or groups, often leading to disagreement or conflict.
Group Formation
The process by which individuals come together to form a group, influenced by factors like common interests, goals, or social connections.
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