i think I'm at a point in the natural progression where I'm pretty much suppose to be plus or minus. People in there 50s probably have intimate encounters once a month.The purpose of sex is to procreate and develope a bond that holds the couple together long enough to establish a relationship stable enough to raise the offspring. So sexual encounters/intimacy is frequent in the first 3-6 months and slowly declines over years. Since I am at the grand dad stage practically and the relationship invested the requirement for intimacy to keep it stable is less important than it was in the first years. Essentially, the man still needs and wants intimacy but will tolerate less intimacy becaise the alternative is destabilization of the relationship. instability --> split--> alienation--> outcast of the family in many ways as the woman becomes hateful and sues the children and extended family against the man. Plus the sawed in 2 phenomenon. So.. truely there are ways to deal with this but none are ideal. The best thing you can do is happen into a long term relationship with a woman that retains a strong sex drive into her 60s.