Who doesn`t know him? The Roomate agreement concluded by Sheldon Cooper and signed by Leonard Hofstadter. According to the agreement, the thermostat must be maintained at 72F (22C). Always. At any time. And while they live in sunny California, where the weather won`t vary as much as in New York, for example, it still seems extreme. This chord is recurring in the series, normally when someone asks Leonard why he allows Sheldon to dictate another element of his life, or when Sheldon informs Leonard why he needs to get his will – it`s in the deal! It is of course considered a totally exaggerated thing, but there are certain parts of this agreement that more roommates should think about to include them in their rules. It may sound silly, but adding a day of the year to appreciate your roommate and everything you do for each other is incredibly cute — and probably extremely helpful in maintaining a great relationship. It would work better if it was each other, not just, of course, or a roommate. And yes, it`s not necessary, but gratitude is increasingly touted as helpful for health and happiness, so why not take a little Thanksgiving holiday? The roommate agreement was written by Sheldon and signed by Leonard when they first became roommates. These events were shown in a flashback. Sheldon begins to mention paragraphs of a friendship agreement in the episode “The Cooper-Nowitzki Theorem”.
Later episodes describe it as a roommate agreement, and Sheldon quotes it throughout the series, usually when one of the clauses is violated. The colocation agreement was in effect for most of the show; Since Sheldon moved into Penny`s old apartment with Amy, the contract is no longer in effect. When Leonard and Stephanie get serious, Sheldon gives world to the “Cohabitation Rider,” partly the deal that deals with a romantic partner who moves in. This is actually an area where Sheldon is incredibly reasonable, as he poses no problem for Stephanie to be part of the house – and it`s Leonard who up when he realizes how much time she spends there….