Peter gives a small sigh at Stiles' touch, remembering last night. He also wonders how it remained. He's looking back at Stiles, his hand reaching out to touch his fingers on his neck.

"Last night... you were really powerful. You had your magic right at your fingertips." Peter speaks softly, in a low voice. "Right where you could reach me." he smirks. "Your mate." he adds, his eyes light up for a moment, giving the word meaning. Stiles is not just his mate anymore, but he is Stiles'.