Rus, the great-grandmother of Dovid Hamelech, who was KNOWN for her tznius, did something that by some folks’ way of thinking would have probably been considered extremely scandalous, when she went to meet Boaz in the night. Never mind that it was for a tachlis. To me this is a no-brainer. Something’s gotta give.
You’re making it sound a lot more scandalous than it was. They did get married first.