"You think I care?" (2,4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
so what
(Other definitions for so what that I've seen before include "Expresses contempt or lack of interest" , "Does it make any difference" , "It's unimportant, right?" , "I don't care" , "It's unimportant, who cares" .)