Your two moon signs are very close together in Semi-sextile relationship (30deg).
There is a chance that you may get along well , especially if one of you is willing to be more tolerant than the other. But most of the time , the Pisces has to do this job.
You may share some common understanding. However your Moon signs indicate that you may have conflicting desires. Aries is typically a Moon sign of high spirits and temper, whereas Pisces is a Moon sign of care, comfort, compassion and protection.