Why do you get married in the first place? Isn't it so that you can be recognized? The reason we have rings given, it's a clear indication that you are taken and you are not available anymore. This is very vital, if you don't have it is easy to get entangled with people of the opposite sex who are single, that is very dangerous. Rings are supposed to be worn at all times. That ring is not supposed to be removed at any one time, you made vow which is a promise that's supposed to be kept always, it's binding and should be taken very seriously. Plus if everyone saw you stand before your family friends and the church and said the vows,they will expect to see you wearing that ring always, if it is not on your finger you can be rest assured questions will come flying your way in all directions, and you should be ready to answer them.