The behavior (British spelling behaviour) is the manner in which someone or something behaves or acts, in response to internal or external stimuli.
Patterns of behavior need not be innate, they can be acquired and become increasingly strengthened through repetition. Series of actions that have become habitual start out as single, individually considered, and selected choices. Later they develop into the automatic actions we call habits. Humans retain final authority over habitual responses, choosing to restrain or release them as best serves their interests and/or beliefs, i.e. as the consider right or wrong.
- Jeffrey Burke Satinover (1996). "9", Homosexuality and the Politics of Truth. Baker Books, 138–9. ISBN 978-08010-56253.