Wear long or short necklaces, or even better, combine and mix the long one with a short one to have beautiful, glamorous and  playful list of opportunities  of wearing necklace in your everyday life or special occasions.
The long necklaces is very HIP at the moment and can be used as well  2 times around the neck or even as bracelets. especially fancy when worn on a dress.
The short ones are very comfortable for everyday 24/7, especially when making sports, it does not come over the head. As well the short necklaces are  comfortable when sleeping. 

Let the protective gods to be around you!