How do you know that my brain doesn’t have algorithms running for all of these problems?
Surely for tea making it’s something like this: I want tea—Do I have all ingredients? -- (Water) yes, (Tea bag) no—Do I go to the store? -- Is the store open etc…
A weblog called StudyHacks has articles about passion that I think you would find interesting.
Specifically The Passion Trap and The Danger of Dream Job Delusion.
EDIT: FORMATTING