Is konan a virgin?

The correct statement is "you are a virgin?"

No. Virgin is the large group Sir Richard Branson founded while Virgin Blue is an Australian Low-Cost Airline and Virgin Atlantic is a British Airline.

The only sure way to know if someone's a virgin or not is by asking.

Yes. You're still a virgin.

You can't tell. Some refer to the hymen but it breaks easily and some are born without one. 80% do not bleed during first intercourse or feel pain. It looks the same before and after intercourse.