There's something about that which tugs on him, she sees. Something that weights itself down behind his eyes, a formless thing she can't guess at too closely but knows will cling onto him for a while still. And all that said, and the comment about living in the now, it gives her an idea. More an impulse to chase, like a sighthound darts after moving prey to find out what it is.
no subject
"Hey, Leon? You want to get out of here?"
And follow her, is the implication.