Voice: Ugh. Stupid uterus.
Man: Hey, your period is every 28 days, right?

Voice: Yes, why?
Man: Well, preiod = T = 1
f.
Voice: So?

Man: Using this, we can calculate something you already know.
Voice: What?

Man: Your uterus-hertz.
Voice: If I could get up I'd smack you.

{{Title text: 413 nanohertz, by the way.}}