If you can't imagine not doing something, it's a passion

Finding your passion could be easier than you think. By answering these questions honestly, you could work out what to do with the rest of your life.

"What subject could I read 500 books about without getting bored?"

"What could I do for five years straight without getting paid?"

"What would I spend my time doing if I had complete financial abundance to do anything?"

https://www.telegraph.co.uk/finance/jobs/11499695/Eight-ways-to-find-the-true-passion-in-life-that-has-eluded-you.html