A study by the Society for Personal and Social Psychology has shown that having positive relationships with people you work with can help your health.
Being friendly and sociable with the people you spend practically most of your waking hours with is essential, not just for the fun of it. As it turns out, identifying in a social group helps you, both psychologically and physiologically, the benefits being stronger when it comes to psychological health.
When you have support from the people around you, and more importantly, when you feel like you truly belong to the group, you gain meaning and purpose in the office. It also helps when everyone as a collective are dedicated to the company and share similar stresses and joys throughout the workday.
So, what are you waiting for? Get socializing at work!