1. Sanguine: The person with this type of personality is impulsive, pleasure-seeking, outgoing, warm, friendly, sociable and charismatic. They tend to enjoy social events, meeting new people and making new friends. They are often lively, energetic and enthusiastic. They are also creative and imaginative. However, sanguine individuals are also sensitive, empathic and compassionate. On the downside, they may struggle with following tasks through to completion, good time keeping, being organised and remembering things.

2. Choleric: The person with this type of personality is ambitious, driven and likes to take control. They are often marked by energy, passion, determination, a clear focus and firm commitment to goals. They tend to dominate others and like to have their own way. On the downside, they may be impatient, intolerant of those who do things differently, and may be subject to mood swings.

3. Melancholic: The person with this type of personality is a deep thinker, who takes life seriously, and feels deeply about the things that matter to them. They are usually introverted, and very private, people. On the downside, they have a tendency to over-think problems, or to worry excessively about fairly minor things. They are usually independent, self-reliant, have strong principles and tend to be a bit of a perfectionist.

4. Phlegmatic: The person with this type of personality is laid back, relaxed, kind, contented and happy to go with the flow. They are non-judgmental, accepting, peace loving and flexible. On the downside, they may be viewed as lazy and lacking in passion, direction and energy. The phlegmatic person makes a wonderful friend!