There comes a moment in the day when you have written your pages in the morning, attended to your correspondence in the afternoon, and have nothing further to do. Then comes that hour when you are bored; that's the time for sex.
There's an old saying in Tennessee — I know it's in Texas, probably in Tennessee — that says, fool me once, shame on — shame on you. Fool me — you can't get fooled again.
If you're a guy, you have absolutely no idea what's going on at any time in the relationship, ever. Here's what you know: you know when you're getting laid, and you know when it's all over. Those are the only two things you're aware of.