Maybe think "well, if [insert any of the men below who have married women considerably younger than themselves] can do it, why shouldn't I?"
Michael Douglas, Donald Trump, Rupert Murdoch, Jerry Seinfield, Alec Baldwin, Harrison Ford, Steve Martin, Larry King, Clint Eastwood, Nelson Mandela, William Shatner, Kelsey Grammer, Sylvester Stallone, Frank Sinatra, Billy Joel, Warren Beatty, Humphrey Bogart, Robert Duvall, Kevin Costner, David Hasselhoff, Bing Crosby, Anthony Hopkins.... the list is almost endless.
Of course, all of those have or had enormous sums of money which I'm sure has/had no part of it whatsoever.