Better not pick fights with birds up there. [Or Sans'll be too ruffled to ignore gravity properly, or something.

Papyrus loiters another couple seconds, fidgeting with the welder in his hand, before finally suggesting:] Hey, Sans, as much as I hate saying this... And I really do... You should, take a break from supervising. And go wash your face. [It's still leaking! Good things about being a robot, instead of a glowing juice container: not too much leaking so far.]