Min[d] true things by what their mock'ries be

This morning I was watching black and white movies, and in one of them a man kept sending his beloved creepy, cryptic messages that ended up with her becoming involved in some perilous murder-plot. It was totally romantic. Now I'm kind of upset that none of my boyfriends ever wooed me in such a way. What woman doesn't love love-notes shrouded in mystery? I've been deprived all these years. What is life?