Poets have to keep pushing, pushing, against the darkness, and write their way out of it as well.
Personally there is first: imagination; second: the act of writing - and third: the act/act of vocalizing.
There is a pretty interesting document called 'action writing.' Which is not all about spontaneity and first thought, best thought,' but a certain kind of attention to the smallest increments of the phonemes of language, The kind of power of connection, what he is able to do with language.
One has to be cautious and respectful of the power of the "substance" guides. I don't advocate imbibing the "little saint children," as Maria Sabina calls the magic mushrooms, or anything else for everyone. I find that certain substances reconnect me to a primal context of purpose that goes beyond identity and ownership. The writing-when I've worked it this way-is the kind of information you take back from dreams. Or it's hypnotic writing rather than getting off on some sort of pleasure trip or intellectual trip.
No one begs you to be a poet or write a 1000-page poem. You have to be fueled by a drive, a conviction - a need, a necessity, a vision that is so pressing that it has no other outlet but through you. That doesn't mean that you are unconscious or in trance, but there can be moments like that.
My father was a frustrated writer. I think he wanted to write the great American novel.