Don't understand why this is important. Blaming them for somehow being in the way of achieving what I wanted. But ultimately they were not. But I didn't get there anyway.
You must do you, but I don't understand your depiction of your life as if your opportunities were a past option. You're not old. Even if you were, that doesn't preclude future, unless your ambition was to become a young phenom porn star.
I return to the example of my grandmother. She reincarnated herself at age 60, and led quite a remarkably different life in her long widowhood. In brief, she had married young, around 20, after having taught school for three years or so. She had to quit her career because it was the policy of the school system to not allowed married women to teach. So, she left a routine of planning lessons for 8 grade levels, and teaching, and teaching piano, to simply become a housewife, which she very much found limiting.
She had a child a year later, and spent the next 30 years being a parent to children born 14 years apart, all the while knowing her husband was having affairs on the road in his job travels. As was common in her generation, she remained loyal to him in spite of it all, but he suffered a massive heart attack in his late 50's and struggled along until he died of a stroke at age 64, leaving her penniless, with only a broken down house and not even enough savings to pay for the funeral.
But, when his health began failing, my grandmother rolled up her sleeves and went to work full time, first in a plant nursery, then as a theater concessionist. She immediately saw that it was not enough and began commuting with friends to a university almost an hour away, and continued for five years, taking a business degree. She was then 65, limited in a small town for options, but still found work in county government and city government, working as a clerk for almost two decades more. She was tired, but she was also invigorated by working and interacting, and even continued to take local university courses in her "spare" time. She took a computer science degree in 1983 as a 73 year-old woman, very rare.
She even enrolled in a night MBA program and began a local study of day care business models, until she had to drop the course when she fell and broke an ankle. She was fired from her job as night clerk at a motel, too, for the injury.
So, I don't know what your dream was to achieve, but why does it have to be over? What is there that you cannot pursue as a man who is in his middle years?