He giggled. He loved that riddle but no one ever understood. Of course, they weren't meant to, it was for him, but he still asked because...
"Haven't got a soul to sell." he said simply, shaking his head. A quick look around and he jumped off the stool to follow the memory of a shade behind the bar and to a little cupboard that was achingly cold inside.
"Ooh! It's ice!" With a smile he dug out a few bags of crimson and a bottle of milk.