One of the arguments against being childfree is that you'll be lonely and there will be no-one to look out for you.
But so many people I know are so unhappy in their families. Whether there are addiction issues, affairs and infidelity, sex issues, a woman having to do all the work around a rather useless partner, or whatever else. A lot of my friends whenever we meet to talk seem deeply unhappy.
If you have a healthy relationship and a healthy family, then family life can be wonderful.
But quite honestly I think a lot of families are deeply unhealthy - hotbeds of resentment and desperation. By contrast, a single life can be peaceful, gentle.
Just sometimes when people say 'aren't you worried you'll be alone?', I think 'compared to feeling alone anyway with a toxic family?'