I could go on and on with this list, and those who have co-habited at length will certainly contribute. We forget that sharing space with a person requires a lot of compromise, and over time this can lead to annoyance if not resentment.
Still, most of us probably would rather be with someone we love, whatever the cost. But while alone, you may have freedoms, even the smallest ones, you maybe never even considered. If you fear a future without a partner, occasionally revisit the blessings of being alone — make your own list if you like.
Living alone again is not necessarily about loss; it can be about an opportunity to explore options and, more important, take control over your environment. You can set a new course without another person's interference. You can make your own rules. You can be the judge of what lifestyle you want. Living alone has its privileges. And very real joys.
Also of interest: Save on home expenses.