Evidence that women who want someday to have kids should not choose their mate-for-life whilst on the Pill.  
Link.
Mrs. Grinch was not, as I recall, on the Pill when we met and declared our undying love, but she's been on it at various other times since then.  I will inquire further about whether she found me more attractive during those times than others.  Although I'll note infertility is not amongst our afflictions.