Actually, Johnny learned what he was doing now from Ronan. He was merely copying the other man's actions from before. He has never been with another member of the opposite sex since high school. Since Ronan.

He smirked at his words and went down on him, reflexively using his throat muscles to take the whole of him into his mouth, swallowing as he worked him further until his lips pressed against the base. Then he began to move, repeating the same action as his tongue lapped and played over the head, his fingers curling and stroking upward then back down followed by Johnny's mouth. His other hand curved up under, teasing and cupping Ronan's balls.