What is wrong with introversion in society?

I’m a young adult and regard myself as having strong morals and ethics. I don’t ever plan on drinking because I’ve encountered alcoholism in my own family.I’ve accepted myself as a quiet, introverted person. That’s not changing. I will speak up when I see injustice or need to find out information.Howver, I’ve never felt like I’ve belonged in society. Case in point, I have never had the desire or interest in dating the opposite sex or any gender at all, don’t believe marriage is for everyone, and don’t want children. I’m more of a fun Aunt or cousin.Howver, I really have an interest in volunteering in some capacity that’s going to be more fulfilling. I want to give back in some way.Why does it seem so hard for me to find something I’m passionate about? Please don’t say I’m going to change my find regarding my personal choices.