On air for 10 seasons that spanned over 10 years, Friends is beloved for its mix of light-hearted humor, unique characters, A-list guest stars, and comforting settings. In the hustle and bustle of New York City, what space was cozier than Central Perk or Monica’s apartment? Friends will live on forever in syndication, always ready for a marathon on a rainy afternoon, accompanied by a big cup of coffee, of course. Here are behind the scenes facts about Friends. 1. It Started With Only Four FriendsThe show’s original concept looked a lot different than we know it today. When Friends was in the b…