I love your precise writing, the meticulously told events and the carefully depicted details. The scene where Harry tried to reach for the bottle, for example, was utterly fascinating.
The dressing and undressing, gentle touching, Snape resisting temptation, Harry inadvertently tempting and then missreading Snape's reactions made me whimper in delicious agony. The ending was perfect as well - like a sigh of relief. Thank you for writing this.