Dave decided that Sexy Bitch, and all of his other coworkers who he would convert into his concubines, would not know that he was married. And of course his wife would be completely ignorant of his office situation. He reached for the pen.
It was gone.
Sexy Bitch admired the gold pen she had lifted from Dave's desk while he was staring at her tits. He was cute, but not the sharpest knife in the drawer.
Might as well see if it writes. . .