Join a gym. Sell guns to Albanians in Kosovo. In short, do something that requires you to be out of the office and someplace else. I like watercolors myself. They relax you.
Sports leagues abound around the city.
Yorkville sports and Chelsea Piers both have leagues in several different sports. You know, unless you live near the office, you might find people to drink with who have other jobs, maybe even come from other countries. You make enough money to travel. Volunteer for business trips. Travel on your bosses' dimes.