Revved to the Maxx

The playful banter really kept the mood light, but the chemistry was intense. I'm curious whether this mix was planned or evolved naturally during writing.

The way the characters’ walls came down felt so authentic, but I wonder if the confined setting made that easier or more challenging to portray.

They felt so real and distinct, but I wonder if certain traits or quirks were drawn from real people or purely imagined. How does the author approach character creation?