Whole, I am close to you But lose one and I become a vicious demon Lose two and fight back Or else lose three and it's all over.

You hear her in the other room, Doesn't have to sing a word. Can hear the smile on her face, I'm the sound you've heard. I'm what you do, to sound a tune, Lyrics left undone, No need to pucker up and blow, Just firm your lips and...

I really want to make another riddle but nothing comes to mind. Has my muse left me?

In citrus realms, I play a game, sweet yet sour, I stake my claim. A sunrise hue with a bitter bite, my giant kin keeps breakfast bright.

I hug your feet, hate the outdoors, and live where comfort rules. What am I?