: Ramona eventually becomes overbearing, banning Sheldon from his social hobbies like Halo, paintball, and comic books so he can focus entirely on his scientific work.
: When Sheldon finally makes a scientific breakthrough, Ramona asks for co-credit on his paper—dubbing it the " Cooper-Nowitzki Theorem ." This is the final straw for Sheldon, who immediately kicks her out. Watch www xrysoi se The Big Bang Theory - S02E06
: Initially, Sheldon is happy to have someone doing his chores and providing him with free food, not realizing she has romantic or controlling intentions. : Ramona eventually becomes overbearing