Concept: Baby Duck Syndrome
In human psychology, Baby Duck Syndrome is called the effect when a person, studying a certain area, considers the first object encountered from this area to be the best, and the subsequent ones to be the worst, the “worse” — the less they resemble its first love.
Ever wondered why you love an app, the designers change the UI, you hate it, then after some time you love it again? Well your answer is the baby duck syndrome.