Nowhere near where I thought I would be at 30. I feel sick

Quit the industry I was in, couldn’t do it anymore, completely lost myself and still am lost, how can I get the hell over this? Constantly comparing my life to my younger sister… feel like I wasted so much time doing a career that I don’t want to do ever again. The only upside is I don’t have kids or a marriage or stuck in a relationship, im completely free of anything but worrying about myself but I feel sick all the time.. society has you thinking you’re suppose to be a homeowner with kids and a solid marriage by 30. I can’t handle my reality.