Answer:
Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it's gone.
Hearing something unexpected or touching a live wire can have this effect.
Glittering points that downward thrust. Sparkling spears that do not rust. What is it?
What gets colder as it warms up?
What is so delicate that saying its name breaks it?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.