MOST women don't have hymens by the time they have sex. Yes, some do. But there's this whole idea about what a woman is supposed to be like the first time she has sex is very damaging. The story goes like this: "I was about to have sex for the first time and I was very scared because I knew it would hurt- he shoved his large throbbing penis in me and I was so tight and dry he really had to jamb it in there and break my hymen and I bled all over, but I just layed still and took it because that's what it's supposed to be like. Too bad I'll never enjoy sex."
I know that's not what you were saying, but this is the type of thing we have to try combat on here every day. Men come in asking if their formerly virginal wives cheated on them because they weren't tight enough, or because they didn't bleed all over, or they enjoyed themselves too much. That's why they jumped on you about it, because we really need to stop spreading this attitude so women can enjoy sex and not expect their first time to be so awful (because it doesn't have to be and it isn't for MOST women!)
I understand that was your experience and I respect that. But that doesn't mean it is usually that way.
Virginity is defined in many different ways, and you can define it how you want according to your personal beliefs.