“It’s well known that we’re prone to absorb or mimic the opinions and body language of others in all sorts of situations, including those that might seem the most intensely individual, such as who we’re attracted to. While psychologists don’t necessarily think of that sort of influence as “clouding” one’s judgment — most would say it’s a mechanism for learning, allowing us to benefit from information other people have access to that we don’t — it’s easy to see how being surrounded by other people could hamper a person’s efforts to figure out what he or she really thinks of something.
[…] Kids who spent between 25 and 45 percent of their nonclass time alone tended to have more positive emotions over the course of the weeklong study than their more socially active peers, were more successful in school and were less likely to self-report depression.” Source: great read on Boston Globe’s website