Especially in sex scenes, I’ve found that using the same terms over and over can be really distracting..
Pussy as sheath
1st time: OK, sure.. *keeps reading*
2nd time: Yes, very sheath-like. I concur wholeheartedly. *keeps reading*
3rd time: Got it. It’s a sheath. Can we move on please? *keeps reading*
4th time: Grrrrr.. *counts previous mentions*
5th time: Goddammit. I need to blog about this.. *quits reading*