To determine point of view's importance: Know whether events of the story are being interpreted by the author or by one of the characters. If interpreted by one of the characters: ask how this character's mind and personality affect his/her interpretations. ask whether the character is perceptive or imperceptive.
But in a poll done for The Wall Street Journal by NPD Group Inc. of Port Washington, N. Y., 70% of 1,000 respondents said they probably wouldn't take a prescription drug after its expiration date; 72% said the same of an over-the-counter remedy.
Emulsifiers can even cause some moisturizers to separate. So, check out the ingredients. Generally, prescription products are safe to use after their expiration date, but it will depend on how long the product has been expired. A few months is better than a few years.