An 18 year old woman has much value in the s3xual marketplace.
An 18 year old man has little value in that same marketplace.
Femininity is intrinsic and must be Preserved by avoiding trauma and countless upon countless of relationships that only create baggage for them. Trauma hardly builds women and will come back to haunt you as a man, if you get in relationship with such a woman (outside of intimacy).
Masculinity is extrinsic and must be Earned by overcoming hardship, challenge, and controversy. The same adversity that damages women can build men up. Not all, I understand that, but since reality smacks men in the face immediately, men can have a higher propensity to excel when they conquer difficult times.
We're not the same and that's ok. Both can do the opposite and reap the consequences of those decisions or can understand the differences and do what's necessary to achieve the best desired outcomes. Choose wisely Gentlemen.