Merwyn put his hand in his jeans pockets, a little deflated mostly because he was used to being shunned by people who recognised him as that useless Quidditch player who lost them money. It didn't look like that this time though and Merwyn relaxed again at the reassurance, pleased as well that he was forgiven for tripping bodily over the poor guy.
He beamed when Greg took him up on his offer though, this trade of goods and money for affection pretty much all he knew at this stage. "Sure thing, no problem!" he assured, lively for someone who was hanging with an insomniac hangover. "Just toffees, are you sure? Want anything else?" he asked, ready to spend until it hurt for just a few more moments of fake comraderie.