[What she's saying is scarier than what she can do, what he's seen her do in the distance, arriving too late to stop her. Her light is so bright, they just...stop existing. Cisco had estimated her average temperature, but what difference did the numbers make? What she could do was impossible, or had been, just like what he could do, and now he wants her to embrace it, learn it, train like he does, help people.

But...she can't like it. Not really. Right?]

Iris, you can't mean that, it's just, it's helping people, and sometimes...yeah, sometimes catching the ones that get away is really satisfying, and sometimes when they're really awful you wish... [You wish you could just step in and remove them from the world.] ...but you can't. Keep doing that. We can help you, Iris, I can help you, just, you have to let me.

[He's getting closer. Slowly. Small step by small step, hands still held out at his sides, unarmed, truce, he's getting closer.]