Florean was feeling unusually pensive, and he didn't like it at all. This was was the sort of mood he tried to avoid, but showing his recently widowed father around for a new place to stay made it unavoidable. He stood, fingers pressed nervously to his lips as he stared off at the empty space where his father stood moments before he Apparated away, worried about him, worried about his own future.
Thank Merlin Marlene showed up when she did to bring up the winged horses. This was just the perfect sort of distraction he needed, and rather manically he cling to the offer as a lifeline to pull him out of his moody mood.
"Yes! Please! I would love to see your winged horses! Lead the way!"