( earlier while said director was inside rotating / opening the dome for photogenicity , someone commented , " I suppose there 's a star up there somewhere . " I really wanted to say , " yeah , it 's that bright one up there behind you . " I withheld my snark , are n't you proud ?

Question: What is the reason I withheld my snark ?
Answer: I would have been arrestedI could n't think of anything good to sayI wanted to wait until later so I could write it out .It would have been rude