Owning a iPhone 5S in over a month is second to owning a car. From the moment, I received it bought a couple of accessories but my very first purchase is to own a cover case. I haven't seen any ios device that owns it without a cover case. I guess that every owner of a mobile device mindset is to protect it and look as its new all the time. We know the fact the iPhones have a resell value higher than any other android device. This is very true when you looked up on any online retain store.
When I got my iPhone 5S, I immediately purchase a cover case and eventually follow some useful accessories. Here are some I have purchase: