Me: Yup. Just like human boys & girls.
Blondie: Then why don't bulls have udders?
Me: [silence...] Good question.
Blondie: Maybe it's to make them more intimidating.
Me: Uh...that's a thought.
Blondie: I mean, I wouldn't be intimidated by a charging bull with a swinging udder.
Me: Very good point.