I don't put cases (or even screen protectors) on mine either (since 2015). I've dropped it many times, obviously, but I've only ever had the edges of the phone

I don't put cases (or even screen protectors) on mine either (since 2015). I've dropped it many times, obviously, but I've only ever had the edges of the phone get the slightest nicks - which I prefer to having a case on it.