Ah... there was some sexual tension in the past, and with that in mind sex is implicit here. I don't mind that, and it's not the issue.
He's not rich, I don't think. What do math professors even make in Dubai? I know the people there are generally rich, but that doesn't mean the university pays well. And I've never been comfortable even with money lending, unless it's family. No one has ever spent this much money on me before. Maybe I should just ask him if we can hang out here.