Sex file: I'm finding it difficult to keep up with my fit wife in bed 

His wife has started exercising regularly and her sexual appetite has also increased. 

The exercise may have had a positive effect on your wife's sexual confidence. File picture: Stock image 

Q. My wife has started exercising twice a day since we've been working from home and her sex drive has gone through the roof. Is this just a coincidence? I'm not sure how much longer I can keep up.

 A. That your wife's sex drive has gone up as she has started to exercise more is no coincidence. It is well documented that exercise has a positive effect on libido.