As if one more reason was needed to encourage men to properly celebrate Valentine’s Day, a new survey suggests that women are most likely to cheat February 15.

The website AshleyMadison.com, which connects people looking to have a discrete affair, said that more woman sign up for their service the day after Valentine’s Day than any other.

One reason offered for the phenomenon is that women are unhappy with how their partner executed Valentine's Day plans.

"The day after Valentine's Day is one of our biggest days of the year," Ashley Madison CEO Noel Biderman told USA Today. "People are disappointed by their spouses' lack of effort, and they feel especially undervalued when there is a societal expectation of romance. Certain days of the year act as litmus tests for many people in relationships."

Even if you buy the flowers, plan the perfect dinner and swoon your loved one to perfection on February 14, you’re not out of the woods yet.

The second-highest number of women sign up for Ashley Madison the day after Mother’s Day.

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