Is too much sex healthy for man over 40?

Define TOO MUCH. Since i cannot determine how much is too much, it is best to address the health benefits. Sexual activity requires, but also aids in providing, good cardiovascular health. The stress relieving properties of intercourse are well known, as are improved mood and outlook. Studies also suggest a boost in immunity and, as a result of hormones released during orgasm, better sleep.
Yes. Sex is a good, healthy form of exercise. You are only having too much sex if your partner or partners object, or it interferes with your work or family life.