Having a significant other is great, but it does not define who you are. It does not make you more or less of a woman.
Having sex is great, but losing your virginity does not define who you are. The concept of virginity is stupid; by referring to this concept, we are suggesting that a man can take something ethereal from a woman and change something significant about her.
A man cannot make you any more or any less of a woman. You are a woman because of the choices you make and the path you choose to follow. It is wonderful to have a man in your life for either of these reasons, but please do not let that define you. You shouldn't be defined as a woman because of these things, these things should come about because you are strong, because you are a woman.