I don't know about that. When my family converted to iPhones, my wife led the charge. That made a welcome change....therefore not a good Valentines gift for a non-geek girl.
And when I showed her the Apple watch promo videos, her first question was would it work with her 4s? When the answer was no, it became clear we'd all be upgrading to 6's. Done! (Not that I'm complaining. Far from it
And my wife is about as non-geek as you can get: Positively hates "dumb" technology with a passion.