Blame the laws of Nature and the attraction between the sexes.

Don't blame me.
"I heard you asking for the post-office," I said.

"Will you allow me to show you the way ?" She looked at me, and hesitated.

I felt that I was paying the double penalty of being a young man, and of being perhaps a little too eager as well.
"Forgive me for venturing to speak to you," I pleaded.

"It is not very pleasant for a young lady to find herself alone in such a crowded place as this.