How do i save the symbology in a geodatabase so that each time i add it to a new map the symbology is the same?

[PaulWagner]

How do I save symbology in a geodatabase?

[XanderBakker]

You can store the layerfile and add the layerfile to ArcMap instead of adding the data. 

The alternative would be using representations: What are representations?—Help | ArcGIS for Desktop