But in case a gallstone obstructs the bile duct, certain problems may occur. The common symptoms of gallstones include: Sudden onset of pain that may just as suddenly increase in severity. The pain is mainly felt in the right side of the abdomen.
Affiliative behavior can be defined as any prosocial behavior that brings two or more individuals into close proximity. The formation of social units, such as mating pairs, family units, colonies, or even societies is critical for the survival of most species, including humans.
The definition of consumer behavior is the study of how, where, when and why people buy, use and get rid of products or services. An example of consumer behavior is the study of where and when people buy a new type of kitchen gadget. 1  Link/Cite.  Dictionary.