The dent in your navel is the belly button, and it says a lot about the person. The Omphalomancy theory studies the navel shape of a person to analyse and identify their personality traits. According to Chinese mythology, it is significant in telling a lot about a person, it can also predict how many children the person will have. There are different shapes of belly button, including the following: Protruding Navel (or Outie) This belly button sticks out from the navel. This belly button type signifies a strong, extroverted, and optimistic person who also possesses deep perseverance to achieve whatever they want. The people with this kind give a lot of thought and perspective to their beliefs. The average life expectancy of the protruding navel is 72 years. Deep and Round Navel This type is deep inside and round in shape. The shape signifies a modest person who has a big heart and a shy personality. The people with this kind do not generally like sharing their misfortunes and failures with others. The average life expectancy of this kind of people is 81 years. Vertical or Oblong Navel This type is narrower and thin and signifies a person who is confident and emotionally stable. The average life expectancy of this person is 75 years. Horizontal Navel Its shape is sideways across the tummy portion and signifies a person of complex and emotional character. The people with this type do not trust anyone easily and they treat others exactly the way the other person treats them. the average life expectancy of this kind of people is 68 years. Off-Centre Navel This is an unusual shaped navel and signifies a person with a fun loving but a unique character prone to mood swings and super emotions. The average life expectancy of this kind of people is 70 years. Oval Shape This is an egg shaped navel and signifies a person of hyperactive as well as over-sensitive character. The people with this kind take things too seriously and gets hurt easily. They are impatient and get bored easily. The average life expectancy of this kind of people is 65 years. How to Clean It It is a crucial body part that requires regular cleaning and care. It can become a breeding ground for bacteria, if not cleaned regularly. If germs, bacteria and yeast breed in it, it would lead to a foul odour and infection. Infection and issues are more common in people who have piercings, though people without piercing should also take care. Cleaning an Innie Belly Button Find out the ways of cleaning your Innie Belly Button here: Use Q-tip To clean the Innie, one should use a Q-tip to get access to the nook and corner of the deep skin. Before getting the Q tip inside, make sure it is swabbed with soap and water. One should clean the navel with the Q tip gently. Regular Rinse After cleaning it with soap and water, make sure the it is rinse thoroughly with water and re-clean it with the swab. Dry It Off Dry it with the tip of a dry and clean washcloth or another dry Q-tip. Cleaning an Outie Belly Button Find out the ways of cleaning your Outie Belly Button here: Use Loofah/Washcloth Clean an Outie like any skin area with a washcloth or loofah. Lather up the washcloth/loofah and scrub it. Dry It Off Dry it and clean it with lotion or body oil to keep the area soft and supple. How to Clean the Belly Button When There is a Piercing Apart from following the regular steps of cleaning the belly button like a regular one, one can use add an extra step by washing the belly button with salt water or any isotonic saline solution. This helps to prevent any infections in the pierced belly button. If a person gets a belly button infection, there will be a foul odour or pus by which the infection is recognised. In that case, the person should consult a dermatologist who may prescribe an antibiotic and cleaning agents to ward off the infection and heal the belly button.