She looked like she'd say something for a moment, but paused and frowned, looking back to the little bottle, reconsidering her words before they were ever out. A bit more of a frown, contemplating it, another sip of her tea, and she leaned back against the ent more, not quite leaning against Lea as well when she did.

"I don't know so well what you're accustomed to," she began, quiet, peeking back up at him, "But where I'm from, life is magic. And I'm not being poetic." She set the little bottle back down, letting it slide into that spot between her torso and thigh, so she had her other hand free for the mug as well. "Everyone creates its energy, by simply living. It's... part of one's spirit, shed from it, like how a tree sheds its leaves. One's tiredness or alertness is reflected in how much one has, though it's not... exactly cause and effect. Not always. But it can be. And I think that's how she's been using it? It won't prevent her from sleeping, if she'd fall asleep without it... but it would help her resist longer. I've seen the young manage to do the same without taking on more energy from elsewhere; if they stay focused and busy, it's much to the same effect. I think they're creating their own, at that point...?"