This Time of the Month

“Duranium condoms?”

Kirk glanced dubiously down at the pack of Dura-Trojans that his Horta lover had just given him. They seemed much too thick and heavy to be of any practical use.

Well, perhaps he could talk her out of insisting on them.

“Sweetheart,” Kirk continued, “are these really necessary?”

“At this time of the month, my vaginal secretions become considerably more acidic. Human flesh would be dissolved instantaneously.”

With a nervous gulp, Kirk, now feeling much less confident, hastily removed a condom from the package. He found himself thinking just how fragile and insubstantial it suddenly appeared to be.