Answer:
I can travel from there to here by disappearing, and here to there by reappearing.
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
What flies around all day but never goes anywhere?
I have one eye. See near and far. I hold the moments you treasure and the things that make you weep.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.