> How you feel about eachother, how the emotions express itself.
1st house :
A feeling of immediate comfort and mutual caring. There is a true feeling of acceptance of one another. The way your partner presents him/herself and behaves gives you a great amount of security and emotional-well being. Your moods tend to blend together. The house person easily picks up the moods and feelings of the Moon person and instinctively knows how to comfort and console the Moon person.
2nd house :
Your partner feels immediately safe around you because of the emotional security you provide to them. You will help your partner develop their natural skills and talents. your partner may become dependent on you for security. You have a tremendous influence over the house person’s self-esteem and values.
3rd house :
your partner feels very comfortable sharing his or her emotions with you. You know how to naturally soothe your partner through words, which provides great comfort to your partner. You greatly admire the way your partner thinks and communicates. This aspect also indicates a potential telepathic link between the two of you.
4th house :
your partner feels immediately comfortable with you. You know how to make your partner feel safe and secure. Your partner might strongly desire living together and building a family with you. This aspect is highly binding, and it is very difficult for the two of you to separate. The two of you may even become completely emotionally dependent on one another. This aspect is especially strong if your Moon is close to your partner’s IC = soulmates
5th house :
you stimulate your partner’s desire for pleasure; your partner sees you as someone they can have a good time with. Your partner loves being at the centre of your attention, and you love being the one to provide them with the romance and fun they desire. The two of you enjoy socializing and going out together. You stimulate your partner’s creative side, and you will help them cultivate their creativity.
6th house :
As the Moon person, you feel emotionally involved, and even responsible, for managing your partner’s daily life. You love to take care of your partner, and do so by performing practical tasks for them. You have an instinctive understanding of what your partner needs. Over time, your partner may become dependent on you in regards to issues relating to organization, diet, exercise, and work habits.
7th house :
This is a fairly common aspect to find in the charts of married partners. This aspect is especially strong if your Moon is close to your partner’s Descendant. the two of you are instinctively aware of one another’s feelings. The two of you are highly attracted to one another, and draw each other in like magnets. The way you express your emotions is highly attractive to your partner. The relationship might be characterized by several ups and downs, due to the fact that you are so strongly attuned to one another’s moods.
8th house :
You know how to get under their skin. You bring out emotions from your partner they never knew they had! Your partner experiences the depths and power of true intimacy and emotional bonding with you. The two of you are irresistibly attracted to one another. The two of you may also become obsessed with knowing each other’s secrets. The relationship will have a transformative effect on the both of you. Proceed with caution when you see this aspect in synastry.
9th house :
This synastry placement suggests that you stimulate your partner’s optimism. You easily tune into your partner’s spiritual side. You have respect for eachother. Your partner encourages you to be more open to new experiences and perspectives. If your partner comes from a different religious background, you may try to convert them to your own religion. The two of you derive emotional satisfaction from travel and philosophical exchanges.
10th house :
Your partner admires you greatly. If the Moon person is a woman, your partner is definitely enchanted by you! You provide support and guidance to your partner to achieve their goals and dreams, and your partner looks up to you as a role model. On the downside, you may find that the emotional issues surrounding your relationship are constantly on display; This position suggests that your career and social standing will have a huge impact on your partner’s emotional well being, your family, and your home life.
11th house :
This aspect suggests that the two of you may have met through friends, or the two of you have many friends in common. Either way, you likely hit it off immediately! Throughout your relationship, your partner may introduce you to a wide variety of interesting people. The two of you enjoy spending a good deal of time together. You feel naturally accepted by your partner, and vice-versa. Your partner is likely to see you as a good friend, and may even become emotionally dependent on your friendship.
12th house :
the two of you share a strong intuitive, psychic, and spiritual link. You are keenly aware of each other’s moods and feelings. The two of you are highly compassionate and sensitive to one another. This may make your partner feel uncomfortable, as the 12th house represents the area of our life we would rather keep to ourselves. your partner may feel that you can see right into your soul! The two of you can easily read each other’s feelings; you just get each other. You may trigger unconscious emotional responses in your partner, surprising you both!
Various sources such as : https://illumeastrology.blogspot.com & Astromatrix