[He's watching the whole display with interest, of course - true telekinesis is something he's always found really cool, but especially so since he's mastered his magnetic magic.
It's like looking at a Porsche while you're stuck driving a hand-me-down Chevy. ... Which is, perhaps, the most him analogy ever.

... His expression does scrunch up as she regales her fight with her chocolate syrup, though.]

Hun, y'know they make tools for that, right? At least make sure you puttin' it on somethin', don't just lick chocolate syrup straight...