Bulma: The girls get it, why can't you?
Vegeta: Because they're insane!
Bulma: Are you calling me insane?
Vegeta: ..... I was calling them insane.
Bulma: Then why can I relax?
Vegeta: I don't know! You're a woman!
Bulma: Are you saying only females can relax?
Vegeta: Yes!
Bulma: What about Goku?
Vegeta: How about I rephrase it!? Women and male morons can relax! Happy!?