Oh, this was why he was hesitant. This is dangerous. Exceedingly so. The little flicker across his lips sends chills through him but even more when Crowley comes in again. Well, in for a penny. He opens his mouth a little, inviting him to come explore further if he wants and slides his hand down, exploring the demon's side, his waist, the length of his leg which he pulls over his own so there is almost no space between them now.