Dear Thelma: Too old for sex?

I’M 60 and my wife is 48. We have four wonderful children aged 15 to 22. Life should be wonderful, but I have been living in doubt for the past 10 years.

I believe the problem is having a beautiful working wife who is almost 12 years my junior, who is eyed by bosses and clients alike. When I became 50 a decade ago, my already low sex drive became even lower. It was then that I started noticing changes in my wife.