I was going to say 'secret-like-prayer,' but a) 'prayer' isn't widely-appreciated as 'secret,' so I had to use something that should be secret; but then b) if I left 'secret' there, it would completely remove the sanctity that the title of a reference ChristianityToday.com's MarriagePartnership deserves!

Below is a survey that shows why married-couples shouldn't pay attention to surveys.