With the Moon in the 3rd house, the person tends to have a very active and changeable mental state. Their thoughts, communication, and interactions with siblings, relatives and neighbors can be quite emotional and fluctuating.
This placement gives a sensitive, receptive and impressionable mind. The person may be easily influenced by their immediate environment, moods and feelings of those around them. They can be quite intuitive, imaginative and creative in their thinking and self-expression.
Notably, this person often relaxes and de-stresses through talking, discussing, and verbalizing their thoughts and feelings. They love friendly gatherings and parties where they can emotionally communicate with others. The 3rd house themes of care and concern are strong, so the person is often caring and attentive towards their siblings, relatives and neighbors.
The 3rd house also represents learning and education, so this area is important for the person. They tend to do best in an educational environment where the teacher is likable and the atmosphere is nurturing. The maternal influence may be seen through the mother constantly taking courses or classes, often in practical, day-to-day subjects like cooking.
While the mother may influence the person's educational choices, there may not be a strong emotional bond. The mother herself often has a 3rd house profession, such as being constantly traveling, working as a dispatcher or operator, or being engaged in teaching.
Finally, the person with Moon in the 3rd house often loves to travel and take short trips, and their work may involve frequent commutes or business trips. The ability to relax and recharge through communication and movement is a key theme.
Overall, the Moon in the 3rd house gives a curious, sensitive and adaptable mind, though the person may need to find stability in their intellectual pursuits and communication.