In an article for Inc., John Brandon posits one potential reason why people end up feeling lonely in the workplace—they think they work better that way. They feel a duty to maintain high personal productivity, which they think can only occur when working in isolation. In actuality, such unpunctuated working is only a recipe for burnout, of course.
Besides, the best ideas often occur in groups. Off-hand remarks trigger disparate ideas in people’s minds, and they pile up like pancakes of spontaneity on top of each other until suddenly the team has a really good breakfast/concept. For more tips—but no great pancake metaphors—you can view the full article here: http://www.inc.com/john-brandon/here-s-why-you-are-so-lonely-and-frustrated-at-work.html