For those that are interested in this concept, Cal Newport wrote a fantastic book about this concept of developing a passion rather than "finding" it in his book "So Good They Can't Ignore You". Very highly recommend.
Do you have a direct link?
https://www.amazon.com/Good-They-Cant-Ignore-You-ebook/dp/B0...
But I'm in Australia, so it's possible it's an Australia-only sale, even though I'm looking on the US site.
Edit: Also, here's the direct Amazon Australia link: https://www.amazon.com.au/Good-They-Cant-Ignore-You-ebook/dp...
https://www.ted.com/talks/angela_lee_duckworth_grit_the_powe...
Grit: The Power of Passion and Perseverance https://g.co/kgs/tprZP4