Your two moon signs are 120 degrees apart in a Trine angle.
There will be great understanding and respect for each other in this relationship. You are both adventurous and seeking challenges and excitement. It will make for an interesting and strong match. Your Moon signs indicate that you are extremely compatible.
Aries is a Moon sign of high spirits and independent fire, whereas Sagittarius is a Moon sign of enthusiasm, and optimism. The Sagittarius Moon likes to experience everything, they may be restless, but they are always interesting. Together the two of you get along great.