

It’s tough. If you’re in a medical emergency type of situation, or are sick and need help, there are a lot of services that can help. You can go to urgent care or ask your doctor. If you don’t have insurance and live in the US, I’d probably encourage you to dial 211 for resources.
Making friends is not easy. But I think you should keep trying and just remember not to give up. I think the first step is just putting yourself around people, and not expecting anything as an outcome. What do you like to do for fun?
It depends on how you want to approach college. Career is one aspect of college. You should focus on your interests and strengths.