Generosity was just one part of it, really. Merlin loved seeing Dean come undone under him. It was the best turnon he could think of right now. He wasn't a magician in the sheets but was something to be said about age and diligence.

It was a mutually beneficial situation. Merlin loved how responsible Dean was, how nicely he would light up like a Christmas tree under attention.

He took his time, despite the little plea, licking Dean's length up and down, getting him wet with his lips before letting that length slide in between his lips. He was familiarising himself again with the musky scent of Dean, with the weight of him, the thickness and the way the ridges of his cock felt against his lips. Merlin took him as far as he could, then let him slide out slowly, only to suck him in again, cheeks hollowing and his breath rushing out through his nose as he let his head bob up and down, eyes closed and obviously enjoying what he was doing.