[Well, she had promised Vegeta she'd help his daughter train. And hey, it turned out she didn't even need to try and wheedle her into it! So, naturally she responds]

I'll happily help you, Bulla. Your father is a good friend, and I just know he'd love it if you became stronger.

Not to mention, I can always use a little exercise myself.

[Not that Saori really looks like much of a fighter, really]