When Kate moves down the bed his hand leaves her to settle on Beckett, covering one breast while his lips plant against the skin just above the other.

His fingertips are feeling along to see if there's a front clasp when Kate's words reach his ears.

He nods first, distracted with Beckett's chest, until he realizes where Kate is at and what she's about to do. Pulling back he looks up at Beckett, "Yeah, I c'n-- "

Not finishing, his head turns and he looks down at Kate; this is something he wants to watch.