[Her words cut through him, not because he believes them, but because he should have noticed. For all that time, she has been isolating herself, deathly afraid of herself and her own powers, afraid of the exact thing that is happening, right now.
How would he feel, if for every second of his days, he would fear himself? Would fear going out of control, fear causing others to be hurt?
He doesn't think he could deal with it.
Which is why he reaches out, hand steady, and places it on Elsa's arm.]
An' it took this long to happen. That's some real control right there.