He walks close beside her, smiling the whole time, excited in several different ways. He's been with a lot of women over the years, mostly spur-of-the-moment, one-time... liaisons. Purple is the first women he's met that he's actually felt a real, emotional connection to, rather than just pure physical attraction and desire (though obviously he feels those things for her too)... the first he's thought he could have a lasting, long-term relationship with.

Once they're on the ship, he raises the boarding ramp to make absolutely sure they won't be disturbed. (Paranoia tends to become something of a reflex in the field of espionage.) Then he returns to her, stepping in close to her and kissing her again, quite deeply, one hand cradling the back of her head, the other resting on the small of her back. He's not sure what she'll be up for during the rest of their time together tonight, but whatever they decide, he'll probably be happy with it.