Selfish and mean are synonyms; which resemble and point to same type of natures. ‘Selfish’ can be taken as a motivational behavior, which an individual behaves in order to fulfill their needs. While, ‘mean’ is...

‘Selfish’ people concentrate only on their personal views and regards, and thereby avoid others. While, ‘Self-Centered’ individual are those who are excessively concerned with only their needs and importance....

Habit is a behavior pattern developed by frequent repetition of the act over and over to the point the brain does it automatically. An addiction is a compulsive need of a certain thing or substance to the body...