I look back on my 20s. It's supposed to be the prime of your life, the most vital, the most beautiful. But you're making your critical decisions and sometimes your most critical mistakes.
A tree is such a rich metaphor in a million beautiful ways. You can consider a tree growing and consider its connectedness to all things above and under the ground.
As much as I'm drawn to writing about teenage girls, I like the idea of having the freedom to branch out and write about different ages, for different ages.
Gestating characters feels something like the mental equivalent of gestating a baby. In both cases, to create them you lose yourself. Or at least you reshape yourself to encompass them.