Ideas for My Iphone 5s Case

Hey guys, I am going to change a new case for my Iphone. But I have no idea which one should I choose. There are tooooo many choices. I feel a little bit mad. I am poor of making decisions. It's my shortcoming, I know. I changed my old iphone4s into Iphone5s, so I have to buy new case for it. I don't like changing the covers frequently cauz it's boring to pick one out. LOL So, I need to select carefully to make it prolong lifespan. How often do you change your phone case? Well, here I picked some styles which are popular among social networks. Maybe you choose give me some suggestions. hahaha