There is the slightest pause in Justin's reply to whatever is happening on the other end of the line, but it is quickly and easily smoothed over, and the conversation goes on as intended. But he starts to slide his free hand up along Monty's tensed, straining thighs, and then without a moment of pretense, he reaches behind them, sliding his fingers along the crack of Monty's ass to the vibrator still buried there, and starts to casually work his thick fingers in alongside the vibrator, stretching Monty open even wider.