There's too much burning in his mind for him to fully relax into the embrace, including frustration at himself for being so damn weak.

"Bruce Banner and the yelling man. I don't... I don't know that anything would even matter. Informing superiors. They call me abomination but they don't grasp it. They don't understand anything more than the hatred in the word. And if we, if I try to explain it, then I get more fear. More hate." Except Bruce gets it, and struck out anyway.

He exhales again and finally leans into Nate's hold. "I'm sorry. I want to stop being so worried. I want to breathe, to not be so much of a mess. It keeps not working. And then you pick up the pieces and I feel all the more guilty."