Answer:
What is weightless but takes two people to hold it?
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
The more of them you take, the more you leave behind. What are they?
A red drum which sounds without being touched, and grows silent, when it is touched.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.