At best this combination of Moon conjunct Saturn, Moon opposite Saturn, or Moon square Saturn can blend nurturing and practicality, loyalty, and responsibility into the bond. The aspect in synastry usually bears well for emotional consistency as it is bound to tradition, past habits, and bondage. The contact places a serious tone on the emotional connection between them both. Some may feel they have to play out traditional roles and so one partner may feel they need to gain their emotional freedom back. These two may actually be acting out parental roles and one partner often feels a heavy sense of responsibility for the other. The Moon is the dependent part of a partner while Saturn relates to the cautious, shadowy side, hard, and self-sufficient part of a partner.
Both of them need security and so they must examine issues of dependency, mutually supportive roles, and responsibility to one another. Yet, there are sometimes conflicts over responsibilities of family, domestic situations, and professional duties. According to astrologer Stephen Arroyo, Saturn connections in synastry may leave the other individual feeling that the Saturn individual has something over them. So while the Moon will tend to respect and admire Saturn, at least for a while, the downfall of this combination is that the two people form an unhealthy, isolated state of dependency. The Moon may feel deeply hurt by Saturn’s overly cautious and sometimes harsh response to their feelings. It can, at times, come across as emotional coldness. Saturn in this relationship finds it difficult to respond as freely and so may tend to pick on the Moon quite a lot.
Saturn attempts to create space between himself and the things or situations which have hurt him while the Moon attempts to draw everything to herself as part of her own subjective experience. The Moon clings to those areas which are most disturbing to Saturn, and this becomes apparent even in the realm of personal habits. It is common to find Saturn irrationally irritated by a small and often meaningless personal idiosyncrasy of dress or habit expressed by the Moon for it is only a symbol of a deeper disturbance. By Liz Greene
Those with Moon-Saturn aspects in synastry show feelings of deep responsibility for one another. The Saturn person offers the Moon physical containment and strength but may be overly critical of the Moon’s core emotional needs and act a little awkward and defensive. This often means that the Moon person feels like they are being treated like a child, especially when they are expressing the most natural and vulnerable parts of themselves. It is when the Moon person is being their most natural and vulnerable self that Saturn comes across as unsympathetic and showing a deeply uncaring response to the Moon. It is nothing to take too personally for there are usually fears and inhibitions standing in the way of a more natural response from Saturn. This is often the reason why the contact can be an emotionally frustrating one at times. In these situations, there are commonly feelings of rejection, isolation, and sometimes loneliness.
According to Liz Greene,
If something in your chart aspects my Moon, then what it will constellate in me is more a sense of belonging. One of the Moon’s meanings seems to be that it relates a person to the collective family, to the instincts and to nature. The Moon is not a very individualized thing. It doesn’t have much to do with my aspirations as an individual. It is much more concerned with my ordinariness, where I am just like everyone else in the human family, where I feel secure and comfortable being just like everyone else. Because this is my sense of safety, my sense of security, I depend on it. It embeds me in the common lot, and takes away my feeling of isolation. So, if your chart aspects my Moon, it will stir this side of me. Again, I may or may not like it, because I am pushed into having to respond to you all the time. If someone touches your Moon, you go out to that person; you get mixed up with him. You blend with him, and you just can’t cut yourself off and walk away because you feel safe around him. You identify with him; it’s an emotional attachment and identification. Even if it’s your Saturn on my Moon, I will still get attached and identify with your depression.