Joseph's patience was paying off in spades as far as he was concerned. Rhys' comfort and security was well worth the admittedly small effort he was making to accommodate his lover as he experimented and learned what he liked. Became more confident in himself.
He chuckled. "It's lubricant," he said, laying back more comfortably. "There's some in the drawer in the headboard. Just feel along the edge and you'll feel the depression for the release." A bedside table would have been more practical, but secret compartments were more fun.