He doesn't consider it odd, per se - she doesn't have the look or air of a socialite, and while Jack can schmooze with the best of them, it's exhausting. That's not what he's here for.

She matches his movements well enough - she might not be a dancer, but she's easy enough for Jack to lead at the very least.

"A little bit for the party, but mostly I wanted to keep an eye out in case anything goes down." So, much like herself, he suspects. The chance for a 'vacation' has been nice, he'll admit.