There is a magnet in your heart that will attract true friends. That magnet is unselfishness, thinking of others first... when you learn to live for others, they will live for you.
Who of us is mature enough for offspring before the offspring themselves arrive? The value of marriage is not that adults produce children but that children produce adults.
Are you doing the kind of work you were built for, so that you can expect to be able to do very large amounts of that kind and thrive under it? Or are you doing a kind of which you can do comparatively little?
If you're not happy every morning when you get up, leave for work, or start to work at home, if you're not enthusiastic about doing that, you're not going to be successful.