[Sam gave a low, pleased noise at the feel of Dean's mouth on him. maybe a part of him half-wishing they could get away with teeth because seriously - that's the only thing that could make Dean's mouth feel any better right now, but you can't really tell people you're covered in hickeys because your brother came to visit. He tilted his head a little more just as his fingers worked under Dean's shirt and pushed it up as far as he could get it in their current position.]