Florence Henderson Florence Henderson

Florence Henderson is no Carol Brady.

The 77-year-old actress, who portrayed the  Brady Bunch matriarch, says she got crabs after a fling with former New York City Mayor John Lindsay in the 1960s.

In her new memoir, Life Is Not a Stage, Henderson says she cheated on her husband after the also-married Lindsay put the moves on her at the Beverly Hills Hotel, according to Reuters.

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"I was lonely," she writes. "I knew it wasn't the right thing to do. So, what did I do? I did it." Henderson then recalls waking up the next morning at home and seeing "little black things" crawling on her bed and body. After a call to the doctor, Henderson found out she had pubic lice.

Lindsay, who was the mayor of New York from 1966 to 1973, sent a note of apology and flowers. "Guess I learned the hard way that crabs do not discriminate but cross over all socioeconomic strata," she says. "He must have had quite the active life. What a way to put the kibosh on a relationship."

Lindsay died in 2000.