Erotica Writing Tips from Justine Elyot

1) Start by writing about what turns you on. Don't worry about catering for every taste – you can't.

2) Don't be coy. Don’t fret about what people will think of you, or your writing will feel watered down and lacking in force.

3) A lot of the eroticism of a story will come from the characters, the predicaments, the settings or other details. Don't invest everything in the acts themselves.

4) Hmm, a lot of 'don'ts' here. Don't take any notice of a list full of don'ts.

5) Do enjoy it, or it won't work.
Almost everything wrong with an early draft can be fixed with thorough revisions.

Source: http://howtowriteeroticfiction.blogspot.com/2014/10/five-tips-from-justine-elyot.html