I think some people aren't fit to marry, some are not called to marry, and some might marry later.
All of them can have a productive, happy life full of love and companionship.
Discussion
If you are called to marry and fit to marry and simply haven't found the right person yet, then I can understand the longing. The modern marriage market is a complete mess.
You have my sympathy, but no pity. You are my equal. I don't look down on you.
Everyone carries a different cross.
‘Everyone carries a different cross’. So so true.