"Idiot," Snape muttered, sipping his scotch. Now it was just a matter of maintaining the pleasant feeling of numbness in his body. He had no desire to get any drunker, not if Potter planned on getting utterly pissed. He didn't save the boy on a regular basis, just so he could get drunk and fall in to a hole somewhere, breaking his neck.
Though it might be amusing to see Potter fall down a hole. A small snicker escaped his lips at the visual image.