People with mental illness. People who are living with mental illness are particularly prone to feeling lonely. This can be as a symptom of the illness itself or particular things that make it hard to make friends or get out and about. Anxiety, in particular, can make it difficult to make friends and meet new people.
keep aloof from another people.
Technology. Though the internet and mobile phones are awesome, they can sometimes make us feel detached from the world around us. Seeing other people online who seem to have loads of comments or heaps of followers can sometimes make us feel unpopular or lonely.