Moon Trine Sun love Synastry ~ Emotional Expression
The Moon is the most important 'planet' in relationships. The Moon represents deep security needs, and it is difficult to be with with someone who does not offer us what our Moon needs. Positive Moon compatibility will show two people who feel "at home" with one another, and instinctively care for one another. It's like being family. That's why it's the most important planet in synastry. If you want to spend the rest of your life sleeping in the same bed as someone else, you obviously need to feel like family to one another.
Moon Trine Sun
A Moon trine Sun aspect supports your partners emotional expression. Cooperation and romantic companionship flow freely as each of you gives a sense of ease and optimism to the other. When the Moon person is trine the Sun person they will find it natural to sense your feelings, take an interest in your desires and nurture your relationship as you take care of theirs.