She frowned, studying him before kissing his cheek, leaning against his chest. "Fire keeps you warm."
"No. Our body rejects any Enryli other than our own. Pixies can heal with the Enryli, though, so it's the same sort of thing."
She frowned, lifting her hand and letting it run over her fingers. "Something like that. We have an organ in our bodies that produces it. Right..." She put her hand over her sternum. "Right about here. It's a combination of magic particles."