Emotion in liquid form. Blood. It's the particular channel of his psionic ability, and physical contact just makes it stronger. He's listening to what she's saying, but more than anything he's focusing on the feeling of her own blood, and the emotional bonds it represents.

His demeanor is strange, almost alien, as he does this. Like he's too far away mentally to fully acknowledge the intimacy of her promises. Information trickles into his awareness, communicating him in a way words just can't.

With one of his claws, he moves to cut her palm with a quick but assertive movement.