Lucius is such a prick... very demanding of his young lover!! So perfect for his character... wanting Regulus to give into his every whim and be ever obedient and when he isnt he has no more use for him!! Its a bit sad for poor Regulus but glad that this has taught him what he needs to do!! :D

Oh and that scene of Regulus' first time... so sexy, intense, and utterly hott!! <3