If you factor in today's gas costs, plus time and labor (tho I don't think she did), and a few pricey items (good wine, fine chocolates, coffee, organic meats and veg etc) it's probably not that much of an exaggeration.
The point is that he insists on going dutch yet mooches off her two-three times per week.
He knows exactly what he is doing. Then having the gall to throw in less than half of a given check - probably not even factoring tax & tip -- just adds insult to injury.
What a keeper!!