I'm not testing this boundary in my own behavior--I'm a virgin, actually. I was just offering a counter point to your point.
Not explaining it away at all. Marriage is great, honorable and undefiling of the bed. This is true. I would like to point out that Paul contrasts this with whore mongers and adulterers, things that destroyed marriages to be sure. But simply having sex with the woman you plan to marry prior to the marriage is not the antithesis in that verse.
Hebrews 13:4 Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.
For starters, but of course you will either ignore or explain this away.
For starters, but of course you will either ignore or explain this away.