Answer:
I have four legs but no tail. Usually I am heard only at night.
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
You get many of me, but never enough. After the last one, your life soon will snuff. You may have one of me but one day a year, When the last one is gone, your life disappears.
A word I know, six letters it contains. Subtract just one and twelve remains.
There are several different kinds, but the one you pick doesn't do its job. What is it?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.