How can someone find joy in being alone?

As a 25-year-old woman, I’m at an age where many people around me are either getting married or starting families, which I find truly beautiful. For most of my life, I haven’t had the chance to form a deep, genuine connection with someone. Because of that, I’ve learned to find peace in my solitude. I won’t deny that it can feel lonely at times, but I believe you can feel just as alone even when surrounded by people you know.