You know what makes this so unbelievable hot and sexy? The change of pace!
He literally bursts through the window like a BAMF, all determined and pumped up with adrenaline. The epitome of a man that knows what he wants and is about to get it. He steps closer to her, resolute and confident.
And yet, when he goes in to kiss her, everything slows down, his hands cup her face so gently and carefully. He brings them together slowly, not hastily or forcefully.