All successful people faced same family problems, same health problems like you do. They got just as overwhelmed, they doubted themselves just as much, they were just as worried, they suffered just as you do. Many of them were broke. They made it and so will you. Never quit.
Intelligence is aliveness, spontaneity, openness, vulnerability, courage to function without conclusions. To function without ready made conclusions is innocence. That innocence is what creates innovation. That's why “beginners” are the ones who often innovate & succeed.