Leonard: We're not living together.
Sheldon: I beg to disagree. "A girlfriend shall be deemed quote living with un-quote Leonard when she has stayed over for A. ten consecutive nights, or B. more than nine nights in three week period, or C. all the weekends of a given month plus three weeknights."
Leonard: That's absurd.
Sheldon: You initialed it. See? L.H., L.H., L.H.
Leonard: Wait, I only initialed it because I never thought it would happen! I initialed another clause naming you my sidekick in case I get superpowers.
Sheldon: Hmm, yes, you did.