As a girl, you need to be aware of your own bottom line when it comes to relationships. When they will be the first time to the boyfriend that means you break through their own bottom line, by the other side of the rhetoric confused, once the feelings are no longer, only to realize that they have lost too much.
And for men in love, it is not only the lower half of the body to think, more importantly, dare to do, and rational treatment of feelings.