my DoB is 20/07/1981 & my Girlfriend's DoB is 23/03/1985. Pleae tell me if we a good match.

We are soon planning to get married. We are not a good match as per wastern sun sign coz I am cancerian and she is aries which is not considered to be a good match but we get along well and are able to connect well but I am worried that as these are initial day.

Please let me know.