Complex sentence: The behavioral manifestations of individuals who feel remorse range from person to person, but many remorse-capable individuals show signs of sadness and disinhibition, and they decide to withdrawal from once pleasurable activities and social interactions.
Split into simpler sentences: The behavioral manifestations of individuals who feel remorse range from person to person, but many individuals in a state of remorse show signs of sadness and disinhibition. They may decide to withdrawal from once pleasurable activities and social interactions.