Definition.com
The First kiss is, to a woman, the end of the beginning; To a man it is the beginning of the end.
The First kiss is, to a woman, the end of the beginning; To a man it is the beginning of the end.

The First kiss is just the end of the beginning for a woman, and to a man it is the beginning of the end.
The First kiss is like the first pickle that you have to struggle to pull from the jar. The rest come by themselves.