My impression is that Cam likes to go out 'high on the hog' and enjoys the companionship. Its the 'moving on' part that stinks.
Still, you aren't doing yourself any favours opening your wallet like this so early on. There are many activities one can do w/o the price tag, esp. this time of year. Museum and lunch, for example. Or something outdoors.
You guys who are saying his money = sex for them are just gross.
Second thoughts can generally be amended with judicious action; injudicious actions can seldom be recovered with second thoughts.
--Cyteen by C.J.Cherryh