Although he has imagined all sorts of variations on their future together, this is his favourite. It's just glimpses of it that fascinate him and have stuck in his mind. Albus snapping at a customer. Some people In Diagon Alley gossiping about the shop with the cursing pharmacist as he elbows Albus in the ribs during a shopping trip, nodding in their direction. How they laugh about it later. Waking up in the morning side by side in a king-size bed, staring into Albus" grumpy face until he finally curls his lips into an embarrassed half-smile.