Let me start by saying that I have had (almost) every iPhone since the 3GS.
So, if memory serves:
3GS, 4, 4S, 5, 5S, 6 Plus, 6S Plus, 7 Plus, X (skipped 8, of course), skipped XS, 11 Pro, 12 Pro, skipped 13, and now 14 Pro (I also still have the 12 Pro).
So, as many, I have had a lot of iPhones...