"It's a very useful skill," he assures her with faux-seriousness, moving to the skillet. "Should a fire ever break out - well, I can't stop it entirely, but I can contain it." He pauses for dramatic effect. "Mostly, at any rate. There may be a few scorch marks when everything is said and done, but no lasting damage."

Padmé gives him too much credit; Obi-Wan is only thinking how much he enjoys making her laugh, seeing her happy and cheerful. If that means helping to take her mind off more serious things, he's more than willing to do so, even if it comes at the expense of some of his dignity.