It's hard to control. It's like a switch in your mind, but sometimes the switch just flips, like there's some little asshole in there flicking the lights on and off. Sans is used to being very aware of his emotions, very aware of his own state of mind. He's more in tune with that sort of thing than most. He knows how volatile he's going to be with his emotions out of whack, and how dangerous he will be with no emotions at all.

So he's been in hiding. Mostly in the woods, sometimes just in his room. The problem is that even skeletons need to eat. It's a simple enough thing to teleport to the kitchen once or twice a day, grab some grub and then duck back out into the woods. The one good thing about all this emotion stuff is that it's exhausting. Sans tires himself out easily on a good day, and on these bad days, it's even easier. When he's not hiding, he's sleeping. He's made it work so far. At least for the past few hours.

He's somewhere in the middle, coming down off a long bout of intense emotions, ready to try turning them off again for a little while. He's already in the kitchen when Alex walks in and he flinches a little at the sudden arrival. He can't really deal with people right now, but he also understands (in that stupid, overly emotional way) that just avoiding everyone for days on end is selfish. He needs to at least make sure that people aren't killing each other back here in the mansion.

It's a very real problem, after all.

"alex. hey." He gives him a vague grin, wondering what emotional state Alex is currently in. "what's up?"