attraction: anything that draws two or more people together, making them want to be together and possibly
to form a lasting relationship
social acceptance: a situation in which other people have come to like you, respect you, approve of you,
and include you in their groups and relationships
rejection (social exclusion): being prevented by others from forming or keeping a social bond with
them; the opposite of acceptance
need to belong: the desire to form and maintain close, lasting relationships with other individuals
ingratiation: what people actively do to try to make someone like them
self-monitoring: the ability to change one's behavior for different situations
matching hypothesis: the proposition that people tend to pair up with others who are equally attractive