Q&A: Desire Discrepancies – How Often Do Older Couples Have Sex?

My wife and I are in our late 50s.  We were having a friendly discussion about the frequency of love making at our age.  I am up for 3-4 times a week.  My wife thinks this is well above the norm. I say, maybe a bit above average, but who cares.  Where are we on the Bell Curve?