He added that women who dyed their hair red from another colour were signalling they were looking for a partner, and added: "Even women in a fixed relationship are letting their partners know they are unhappy if they dye their hair red. They are saying that they are looking for something better."
Funny you would ping me to this. My wife dyed her hair last week more red than it already is. I guess she's signalling she is unhappy and looking for something better.
Oh well ... win some, lose some. Just as long as I get to keep the dog in the divorce.