Old habits are hard to break and many people frequently touch their face. Weather your listening to a lecture in class, listening to someone speak for long periods of time, touching your face as a nervous coping mechanism, or simply don’t know what to do with your hands the best advice you can take is attempt to break the habit of touching your face. Your hands are the first line of contact in interacting with the world. During the day we touch surfaces that many other people also touch such as doorknobs, handrails, doors, and other public surfaces such as the ATM keypad for example. Not to mention most people handle money everyday which was handles by thousands of other people before you. Our fingernails can harbor dirt and bacteria as well.