Hmm... well, I can think of a couple of possibilities. One being, he might just be feeling insecure and this is the kind of behavior that results from it.

[That's the teasing answer.] Or ... he could purposely be trying to keep your attention from something else. [That teasing lilt fades, as she pauses to consider where she might be going with that line of thought. Although before she can speak further, the waitress makes a return with their brunch, settling down their plates and things. Eleanor won't pick up on the topic until the server has gone on her way again.]