"Mmm." That was intended to sound like more of a vague agreement, but instead it tails off into a small chuffing noise.

Either way, Ruby's movements distract him from whatever he was trying to say. If he were inclined to think more coherantly, he would be aptly reminded of Leonard Cohen lyrics: her beauty and the moonlight overthrew you.

Instead he has a sudden desire to be as near to her as she'll let him. A jar rolls off his lap as he crawls over to the edge of the pool, stretching over as far as possible.