It is so much better to listen to what people say and do. It means that the person thinks that it is easy to either predict or see by your facial or body expressions what you are thinking or what you will do next. Think of poker players and how they hide their reactions to their cards.
This doesn't mean you can take vitamins or apply topical vitamin C and then bake safely in the sun, but you can help keep your skin healthy and supple by making sure you get enough of this antioxidant vitamin [source: Bouchez].
Vitamin C: This antioxidant vitamin stimulates your skin's production of collagen and elastin fibers, making it firmer and more elastic. To give your skin a solid dose of C, look for products that contain at least a 10 percent concentration of L-ascorbic acid. Vitamin C may also work from the inside out. Here's how.