Number 5 is ruled by planet Mercury while number 8 is ruled by Saturn. This is materially motivated combination rather than physical and emotional. These two numbers are opposite to each other but both have strong personality and one cannot suppress each other. People of number 8 bring a strong direction in the lives of people of number 5. Together they can achieve material and personal success.
This combination brings out the best in each other. Once they fall in love, these two stick for it throughout the lifetime. The special bond shared between these two numbers can be an asset which is shared in business as well. It is also an excellent number combination to find in a family or a pair of best friends. This is a relationship between two individuals who don't always follow the rules and they might find themselves locking horns on the rules of a relationship. It will take careful planning and compromise to make this relationship work. Great happiness is in store for these two.