Another thing, Scot, and I'm not endorsing cheating on your spouse, by any means, but one day, you might accidently cheat on your spouse or loved one.
Now when this happens, you might come home smelling like sex and you won't be able to take a shower. Now the best way to cover is fill up your tank with gas,
And as you're filling it, spill some on yourself. The smell will be so strong that it will cover up any residual after sex smell.