I want to be an engineer and entrepreneur, but I don't know why I want to?

What should I do? An impulse drives me into this future, but I cannot succeed without knowing why. I think this is my ikigai. because although I am a person who gets bored very quickly, I have been living with this dream for years. And I have no idea why.

I want to be an engineer and entrepreneur, but I don't know why I want to?
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