They immediately turn their head away, feeling so exposed, so seen. Justin had just vocalized a deep, secret desire (one of many) and Monty isn't sure how to admit to that and to manage the influx of feelings they just felt. It's a combination of misplaced guilt, heavy lust, repression, and confusion.

They bite their lip. "I'd...I'd like to try that."

The words stutter out of them before they can stop them.