Will my iPhone 5 last 3 years?

I got the iPhone 5 about a month ago. My biggest fear is the home buttons going to stop working. My iPod touch 4 gens home button stopped working after about a year. Searching this on the Internet it seems a lot of people's home buttons stop working after 13 months. Right after the Warrenty ends. Coincendence? I'm on a 3 year contract and want my phone to last that long. What are some tricks to make sure it survives? Please answer this means a lot… Thanks

If you don't charge that much or break. Only 1, 000 charging cycles

Of course, many still use 3GS today and thats almost 5 years old now, and far older hardware then iphone 5.

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