I never struggled with trying to figure out what it was I wanted to do or what made the sparks go for me.
Anything that's different from your own realm of experience as a human being, whether it's driving a car or a boat, or using guns, anything that separates you from yourself and leads you more towards this character's existence is a big help.
I have just made out my will and given all the things I have and many that I haven't.