Draco's hands are shaking, enough that he can't undo the buttons. To be fair, they are difficult, but he still finds it endearing. Frustrating, given the fact that Draco is definitely not the only one whose desire is beginning to wear him thin, but endearing. Then the buttons begin undoing themselves, and Snape can't help the little half grin, corner of his mouth quirking up on one side. It's cheating but Snape doesn't point that out. He doesn't have the patience for Draco to carry on fumbling them off, and he doesn't want this to devolve into joking accusations of cheater and how about you punish me? That kind of playful is something he wouldn't mind, but not tonight. It required too much talking, feeling out what had happened two days prior, what exactly was going on now, so many things there would be time for later.

Now, he simply wanted them undressed. Wanted to press Draco down into the cool satin sheets. He shifted, letting Draco push the vest down his arms, and returned his hand to where it had been, at his waist, and with a purposeful little 'pop' sound, undid the button. He was losing patience, had half a mind to abandon this back and forth and begin to push, begin to take…

He took a deep breath, trying in vain to regain some composure, but his hands are moving almost of their own accord, slipping in and undoing the zip, cupping him through those silk boxers, feeling the way the fabric clung to him. He's moving again, edging them to the bed until Draco's legs brush against it. One hand, at his hip, grips tightly for a moment, and then he's pushing them down Draco's slender hips. He can't see, but his hand skims over his ass on purpose, and it still feels warm, warmer than the rest of his skin, and Snape exhales against his lips, satisfied.

"Lie down," he murmurs, voice low and unwavering.