Originally Posted by Krusader
Sex is sin yes, but as long as it's outside the framework of marriage. Within marriage it is perfectly allowed and encouraged (just don't use contraception).
There has been some restrictions on sex from the earliest days of history, when soil became more valuable (due to the importance of grain & other crops, wine, olive oil etc.) and you could pass it on to your children.
A man ofc had to know the children were his, so the "women's reprodcution" had to be somehow controlled to make sure that when a man got his wife on the wedding night, she was a virgin and thus sure that the offspring she would get would be the man's.
Don't blame Christianity, Islam & Judaism for this, they just based that on existing patterns.
The Romans of course had a bit more leeway, as biological ties were not that important. Yet, women were also tightly controlled in Roman society.
Note: Religion is a bit touchy subject, but should still be discussed as long as it doesnt evolve into flaming and spewing filth. And try to stay on the subject which is the TV series Rome. If you have any itch to discuss Christianity in a bad light, head to the Backroom.