Your husband wants progeny – males, of course – to carry forth his name.
He also wants sex.
But alas, you bleed.
No sex for you!
But let’s say you’re not married.
You’re a damsel in sexual distress. You show no sign of pregnancy but you have not bled for months, and need relief in the worst way.
And so, your gallant lover stands beside your bed. As he gazes down upon your nakedness, his medieval erection rises and slumps in unison with the expressions on his face. The poor dear is torn…
Repulsion? Are you that hideous?
And what’s this ‘sworn duty’ crap?