I like it when I don't have the angst and trauma and torture stuff in my head. When it's the Kirayth playing practical jokes on each other, or Napalm playing with his niece & nephew, or Capri getting all smug about her girlfriend happening to be the most powerful person on the planet and stuff.
And it's not cause and effect the way you might think it is... I don't write the dark stuff because I'm in a dark mood. I'm often perfectly happy when I'm writing some pretty trauma-inducing stuff.
But when my characters are happy, that tends to perk me up.
I'm not necessarily down when my characters are. But I'm almost always up when they are. :)
In my head, Capri's just got that little cock to her hip, that attitude - "You will NOT hurt my kiri again, bitch. I'll sic the Lishaya on you." Not in those words, but still. :)