The biggest shifts which change a man as he gets older are fourfold:

1) He gained experience in life through many mistakes and the benefit of hindsight.

2) He is more grounded thanks to the past 10+ years of working for a living, having to attend to responsibilities and becoming self-sufficient.

3) His sex drive decreases as a natural by-product of age.

4) He is more established financially.

This is where, especially, if he had social and loving experience in his 20s and a backbone, he would be more concerned about who he is going to spend his time with, whether it is men or women, rather than spending it indiscriminately.

He realised his time is scarce as he must juggle between his job/career and other commitments: the gym, his family, his investments, his purpose, his hobbies…

He has most likely gone through one or two break-ups, which taught him the implied cost of relationships.

His energy is also starting to falter, and his tolerance to BS is much lower.

Typically, he has more money and status than he did in his 20s, through years of saving and climbing the social ladder.

He will also have a better idea of who he is, what he likes and dislikes, and his decisions will be less spontaneous. He will be a bit more boring than his younger self. However, he will have a stronger sense of identity.

If you read the above, it is quite amusing as it reads like your typical 30+ year-old woman's profile on dating apps.

It is not coincidental; it is just a natural process. So now, guys, after 30, when they meet their female age peers, they are dealing with unfinished men, acting like them.

Creating two magnets, trying to meet each other until physics pushes them further away.

With knowledge from his mistakes and observations, he can now quickly assess a situation and know with a certain degree of confidence whether or not to involve himself in it.

He is less susceptible to female charms as he is less driven by lust, but at the same time, he is less likely to compromise.

Unlike women, he does not have as much of a drive to have kids; therefore, it is less urgent for him, and he has learnt to appreciate his solitude and not settle for something that does not benefit him.

He also notices he has become more attractive to the opposite sex. Not out of genuine desire, most of the time, but out of calculated attempts from women trying to meet their agenda and making him fit into the picture.

Generally, he would not consider them. He knows that not only will he be dealing with a wannabe SuperWoman of his age cohort, but also, as himself, she is less tolerant, has more of an ego, and wants things her way.

So, when he wants something more, he will entertain the thought of going out there, have a bit of fun and realise, despite the inner will to actually settle down, because dating is tiring and energy draining, that the offering is poor to say the least.

If he has enough leverage, he can look to go for a younger 20-year-old, but those over 30, not out of ideology but more out of learned experience, are not worth the trouble.

So he goes back to his natural state, content with what he has, which he worked hard for and takes pride in. He eventually continues his path alone in serenity.

Meeting his next goals is his priority, as this is what he realises is his biggest source of fulfilment.

In the past, he may have been enjoying women's energy and company. As he gets older, chasing it is a considerable opportunity cost with little ROI.

Peace is his fortress, and lust is a nostalgic memory with an intermittent influence on his current state.