Answer:
Runs smoother than any rhyme, loves to fall but cannot climb.
If Teresa’s daughter is my daughter’s mother, who am I to Teresa?
I can ruin your day, or darken your life. And while I'm expected, I'm never alright. I'm bad for business, and worse for your hair. Wherever I am, there's something not there.
What's as small as a mouse but guards a house like a lion?
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.