Answer:
It belongs to you, but other people use it more than you do. What is it?
Angels and pilots earn these.
I am the yellow hem of the sea's blue skirt.
Ambitious people will climb the social version of this contraption.
Thanks for such treasures as Mariachis, enchiladas and habanero!
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?