[When she leans against him, he moves to slide an arm around her shoulder, collecting her a little bit closer to himself as he looks over her book, smiling a little bit to himself.]

Oh, so you've been a little bored up here, huh? [He tips his head back a bit, squinting up at the sky.]

Maybe the louds aren't saying much, but... it's nice out, isn't it? And this is the perfect spot to enjoy it.