only
you! can make the changes you need to do, your not happy with your life than change it.
There are jobs even menial jobs that you could do, maccy d's would be a start, even voluntary would be better than nothing, helping others in need, this is called an opportunity

this may lead to solve the other problem in your life as in meeting new people
less you are married and not happy you can change that also, if not get a divorce.
you have all the keys, life is for living and you choose how to live it, if you don't have a terminal illness or any other debilitating disease, you are so lucky.
seize the day.