Write what you like
There are tons of pithy sayings writers usually hear when they're starting out. "Kill your darlings." "Show, don't tell." "Write what you know." Most who are starting out don't really know what these idiomatic pieces of advice actually mean. Even experienced writers have trouble cracking the code on some of these sayings. Ultimately, you can't really distill sound advice down to a 3-word phrase. Sometimes, it's better to rephrase this advice. For instance, when I tell people to write what they know, what I'm really saying is to "write what you like."
Passion makes it easy.
"If you could speak on something for an hour without prepared notes, what would it be?" is an icebreaker question that uncovers your interests and hobbies. It also answers my "write what you like" motto. Have you ever picked up an interest that suddenly sucked an entire weekend away as you dove down the rabbit holes that uncovered the depth of this hobby? Did you spend...