Valentine's Day Science: Solution to the Single Man's Dilemma

It's a problem that haunts many single men I have known: If I marry this girl, how do I know I won't be missing out on an even better one?

Math provides the solution:

[G]o on roughly 10 first dates, with mates who are close to your ideal. If after 10 dates there’s someone you want to go back to and he or she is available, then go for it. But give yourself those 10 first dates.

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