Cory Matthews:  Finally something good happens for Cory . The world is my friend .
Shawn Hunter: What are * you * doing here ?
Cory Matthews: No , do n't ruin this for me . Shawn , listen , whoever this guy is . Whatever minor personal infraction happened between the two of you , let it go . Because the world knows that this _ one _ is gon na be Eric 's roommate and the world is * my * friend .
Topanga Lawrence: How do you two know each other ?
Shawn Hunter: He 's my brother .
Cory Matthews: Of course he is ! He is * not * your brother !