3 - Expression and Sensitivity 
The purpose of 3's entails bringing constructive emotional expression into the world. Uplift rather than tear down. 

Positives - Outgoing, creative, optimistic, and positive 
Negatives - Easily bored, has trouble staying on task 
Careers - Press secretary, party planner, sales person 

Third House - Communication 
Your communication of Will; your personal thought patterns and the way you tend to communicate with others, brothers/sisters, short journeys, immediate neighbourhood, messages and news.

Light: Disciplined, flexible, relaxed, outgoing, spontaneous, humorous and fun. 

Shadow: Depressed, insecure, distrustful, jealous, perfectionist, workaholic, overly intellectual, difficult to relax, anxious, stressful.

You feel 'nervous' fear in your gut. 
Digestion is sluggish or over stimulated. 
You feel a lack of self-esteem. 
You are a 'people pleaser'. 
You are constantly testing your partner/family.  

GEMINI 

Versatility is the hallmark of Gemini's. This is the first dual sign of the zodiac and its subjects find it essential to pursue several courses of action at once. They also need to communicate on all levels. Their potential can be expressed in many ways, but especially through the media. This need for communication is so strong that they'll telephone their local radio station with comments on every conceivable subject and will even chat to someone in a bus queue if no one else is available at the time.

What are the Archetypes? 
They are patterns of the psyche that make up an energetic realm that you were assigned to before you were born. The Universe works on our behalf through archetypal patterns. We each have personal mythologies. Eg Michael Jackson - Peter Pan, the eternal child! 

Patterns show up in our ability to handle crisis, care of yourself and others, how oneself communicates to self 
Child, Communicator, Counselor, Therapist, Scholar, Prostitute, Victim or victorious. Hero, bully and coward.