Okay, so, maybe she is too good at offering hope.

When he stands, Jyn leaps to her feet, stepping in front of him. She recognizes the reckless, determined look in his eyes. She'd seen it in every single member of the Rogue One crew that went to Scarif. It's a suicidal combination of half stupidity, half obstinacy.

"No."

She doesn't know what he is thinking but it is no.