On a 10+, he does it willingly. Take +1 forward.

You wouldn't have believed it was possible to get out of a pair of shorts that quickly, especially not in the driver's seat of a car. Johnnie's cock springs free, rock hard and a bit curved, just the way you like them.

"Mmm, nice." You reach out to wrap your hand around his shaft, then lean closer. It's a very nice cock, the glans swollen with a slowly growing drop of precum at the tip. You shift a little closer and Johnnie makes a strangled sound as your warm breath washes over his quivering cock.