Once you don't have to worry about not having to pay rent, not having to pay electricity etc then your appetite for risks grows. To get to that point you either need to start from a rich household (parents) or get to a certain age, have some money to support you (from previous work) and then go into entrepreneurial experiments. This is a big reason why you see older entrepreneurs embarking into that journey.
Now I'm 40, I've got more financial independence but dont really have the drive anymore.