It dictates what Leonard has to eat each day of the week, what TV shows he is allowed to watch, whether he has a girlfriend stay over, that he has to drive Sheldon everywhere he wishes to go, whenever he wishes. It even dictates when Leonard is allowed to use the bathroom.
Amy Farrah Fowler. Amy Farrah Fowler is a fictional character in the CBS television series The Big Theory, portrayed by Mayim Bialik. Amy is a neuroscientist who is the love interest of Sheldon Cooper (Jim Parsons) and subsequent wife in the series.
A flashback in the season three episode “The Staircase Implementation” reveals that the two characters met when Leonard applied to be Sheldon's roommate. That moment, we are told, was “seven years ago”, and the episode aired in 2010, meaning that Sheldon and Leonard presumably met in 2003.
Roommate agreement with apartment flag logo. The Roommate Agreement was written by Sheldon and was signed by Leonard when they first became roommates. These events were shown during a flashback in "The Staircase Implementation".
The relationship contract states that Sheldon "must take Amy out to a nice restaurant and have casual physical contact that disinterested onlookers would liken to intimacy." A slight touch on the hand is enough to get Amy's engine humming!
Sheldon and Amy must kiss only on date nights. Either party must not undergo cosmetic surgery unless it's to look like a Klingon, as seen in "The Bachelor Party Corrosion" (S9E13). There is a “no nostalgia” clause.
The reason she was never mentioned in TBBT was because she didn't exist for the first 11 seasons of TBBT and was only a minor character who appeared in three episodes of YS season 2, which aired at the same time as TBBT season 12.
("S2 Ep10")
It was the one titled The Staircase Implementation. He moved in with Sheldon in 2003.