He didn't comment on the fact that he'd had money once, enough to spend a week what he earned a month. Just as he didn't tell her how much trouble he had making both ends meet every month. Instead he looked on quietly as she knocked back the potion, making sure she was all right.
'Are you sure?' he asked, concerned for her still. On the one hand he wanted, needed, to go and be with Percy. On the other he did not want to leave until he knew Susan was well taken care of.