Since we were young children, the elders in our lives have taught us that the best policy is honesty. In actuality, though, occasionally telling a white lie might actually make life a lot easier. The story below is an account of a confused sister. The original poster (OP) and her long-term boyfriend are getting married. In anticipation of her honeymoon, she went shopping with her sister, who happens to be dating her fiancé's younger brother. While strolling around, OP began to inquire about her…