It's just the whole feel of using it I like. I've only been on iOS for a year and was on Android for 4 years before that so if anything I'm more familiar with Android. I enjoyed my time using it and am in no way anti it in any way, but my general feeling since moving is that I am now using something that feels more refined. I wouldn't rule out a return to Android in the future and after playing with a friends S4 last night, I liked what I saw. I just prefer at this point, the simplicity and fluid nature of iOS.
Yea I kinda understand what you mean. I also like the simplicity of the iPhone, but I also like the versatility of android, which is why I use both