I will make everyone chuckle with this old rumor:.. talking to a very famous Dobe breeder, we were laughing about Dobes "turning on their owners". (I am not talking about rage, mental health issues, just plain old wives tales)
She had a person come up to her , in all seriousness and say" Male Dobes are more prone to turn on their owners because females, when in heat, bleed out the excess blood swelling in the brain during their heat cycles"
Umm, some old wives tales are so outdated, but amazing how long they go on.
I have had Dobes in my lifetime and they were the most gentle loving dogs. This was years ago.