"I don't know." Robert nuzzled his face into Erik's neck. "Warm, sweet smiles are more what I like."

He could be playful and boyish too while being honest and serious. Erik's smile and the mischief in his eyes were more attractive than any of those other things. However he can't stop the laughter.

"I think you proved to me you like lots of head." He's not often dirty in speech but the playfulness and his exhaustion are altering his mind a little, making him silly.