Though this relationship shows promising signs, not much romance would be involved here. Aquarius though loyal is not committed and does not show explicit signs of his romantic moods. However much passion and commitment could be seen by both not towards each other but to the outside world at large as their attachment is universal.
An Aries woman and an Aquarius man make good friends for life. Aquarians are loyal and committed. If the Aries female gives him the needed freedom and personal space then this would be a winning combo. The Aries gives the Aquarius the much needed confidence in life and the Aquarius likes the strength that she gives to fortify her.
An Aries woman and an Aquarius man do not get well in a marriage. They do not like to be bound by the institution of marriage, instead choose to live together. Aquarius man would not have his mind in the married life. He has universal thoughts and would not have much responsibility towards marriage and its aftermath. They are not bound by the ties of marriage.
Sex would be just an average sport and fun for this duo. The Aries takes this act passionately. The Aquarius though has his mind elsewhere makes sure that he turns on the Aries girl.
The Aries woman would sense the end of the game only long after the relationship has turned sour. The Aquarius man just switches on and off his contacts as and when he thinks like. The impatient nature of the Aries woman makes conditions worse.