First of all, many studies show that when the person becomes nervous his face will be full of wrinkles which will cause old age. Also , it shows that the smiling decrease the quantity of wrinkles. Smiling lifts the face and makes you look younger. The muscles we use to smile lift the face, making a person apper younger. Don’t go for a face lift, just try smiling. Also there are different types of smiles. One kind of smile that it stays memorable. Another kind is dazzling.