Not necessarily just sexually, but myriad other ways, too: The first guy you watch with, the guy who buys you a copy of Pink Floyd's "Dark Side of The Moon," the first one in the passenger's seat as soon as you get your learner's permit...
Being the older, wiser man is a power trip for him.
There is actually an evolutionary psychological theory surrounding this common "phenomenon".
There have been many studies conducted exploring the reasons behind older men dating younger woman.
The "successful older man" seeking "young attractive female" is common place.