Loneliness may well be portrayed as unpleasant psychological position that takes place whilst an individual senses that he /she is detached or does not fit in a social set or system in various consequential mode, where a well-known psychological indication connected with loneliness is nervousness. Loneliness is the societal comparable of physical pain, hunger, and thirst; the pain of social detachment and the hunger and thirst for social association stimulate the upholding and structure of social relations indispensable for the continued existence of our genes. Loneliness is not just being alone, as interventions to cut loneliness and its health consequences may well necessitate taking into consideration it’s attentional, positive, and memorial biases with that of its social and behavioral effects. Loneliness and isolation is a known social problem for an individual, but it ultimately turns out to be physical or take the form of physical pain and may put detrimental effects on health. Lonely individuals perceive the social world as a more frightening place and look forward to more negative social exchanges. This is not only individual problem, but social problem as well. Social associations immensely contribute in our life to become healthier and happier, but if we live in isolations, it is destructive in the sense an isolation person feels unsafe in isolation and creates negative feelings for the entire society that turns destructive for both individuals and society. However, the notable point is that human behaviour as social science subject cannot be researched scientifically, but more and more empirical study will help our society and people of society healthier, wealthier, and happier.