The Fine Art of Fellatio is not for the one who has mastered the techniques, but for the one starting out or looking for something new.
Fellatio, giving head, cock sucking, the noble art of the blowjob - what a skill to have and how much pleasure you can give if you do it well! Though sad, it's also true that most sluts can't suck cock well. Enthusiasm helps but nothing can substitute for good training.
Learning to suck cock well is the first important step on the road to making your man happy.