Yes, it's sad but true;
Yes, it's sad but true; women who give good head are very rare. (Someone's going to complain that men who give good head are rare too, yeah yeah, go start your own website.)
The big mistake is trying to be all romantic about it. Caressing his member with a warm wet mouth while her tongue explores the length of... blah blah blah, and meanwhile I'm up there reading a magazine going, "Ahhh, well, doesn't that feel relaxing."
Nope, a hot blowjob is about as pretty and romantic as a jackhammer. Constant speed, constant rhythm, wrap your hand around the base and pump away for good luck, and bonus points if you make sounds like you're actually enjoying it.