"She always brings a salt rock, which is some natural deodorant, and says, 'Would you please put this on?'" he said, according to Contactmusic.com. "I just never wore it. No cologne, no deodorant."
And he hasn't worn it for more than 20 years. Though Matthew has insisted that the ladies dig it (once saying, "The women in my life, including my mother, have all said, 'Hey, your natural smell smells, one, like a man, and, two, smells like you,'" which is both obvious and genius on several different levels), Kate, apparently, was an exception.