Very disappointed in iPhones and yet its my favorite phone

It saddens me the fact that iPhone don't last very long. I have had the iPhone 4,5,5s,6plus and 6plus s. After a year an few months I had to change my iPhones all the time. Problems I had its kept rebooting, goes blank, changing problems, phone gets very hot. I had to purchase a phone that I really don't like. IPhone is way to expensive to keep buying. Apple owes me a brand new iPhone for all my loyalty, loss of money and the fact that I don't know if I can ever trust iPhone again. It is still my favorite phone with all its faults.