His choices are making our future unclear. How should I approach it?

Both 32yo together 9 months. We are all the time traveling from my parents to his and he seems fine with it. While I am not.

He just rejected a secured job with a great salary to try building a career he dreamed of in his 20s. He said that from that salary we can't rent an apartment but he has his home with his parents so no need to. And if he manages to succeed in his job we can think of something.
But now he thinks we should sit in my my city at my parents' while he is working, and then go to his parents while he is free.

I do support his dreams but I feel like at this age he should also consider existential matter as well, think of what he can provide as well.

I find that very childish for a grown up man. I need to have a life with my man. It's like we are hitting a dead end without a space to grow as a couple. What should I do?
His choices are making our future unclear. How should I approach it?
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