He half-shrugs. "Not much to be said either way, which is part of why it's hard to decide. If we invite him, he won't show up but he'll notice you exist, which he otherwise might not - it would be an understatement to call him a recluse. If we don't invite him, he's unlikely to notice or care that the party happened at all. Either way, he's not going to get involved."
no subject