Always think better. For example think of it this way, you may not be alive tomorrow, appreciate what you have.
Also you can just do what you want, once you die, you cant do the things you wanted.
Answer:
superficial
Explanation:
Skin is the outermost layer of the body. It's the closest to the surface. Therefore it is supercial to the stomach, which is more "deep" inside the body.
Ex) The skin is superficial to the muscles