Sex is difficult to write about because it's just not sexy enough. The only way to write about it is not to write much. Let the reader bring his own sexuality into the text. A writer I usually admire has written about sex in the most off-putting way. There is just too much information.
Toni MorrisonAnd they beat. The women for having known them and no more, no more; the children for having been them but never again. They killed a boss so often and so completely they had to bring him back to life to pulp him one more time. Tasting hot mealcake among pine trees, they beat it away. Singing love songs to Mr. Death, they smashed his head. More than the rest, they killed the flirt whom folks called Life for leading them on.
Toni Morrison