This is a great topic, i was for a shot time a trophy addict. I can relate to the people here saying that ocd takes over from looking at trophies before playing to grinding 30+ hours for a single trophy.
But sometime last year i completly burnt out and stopped gaming on ps3 for a few months switched over to pc and stuck to indy games then as the next gen was getting closer i started getting exited for the next gen but i decide i would change a few things.
First, media ban on games i am interested in, i simply stay away from reddit and all gaming sites when a game is coming out example Infamous I have only seen the e3 demo thats it, have not read anything else about it, this keeps thr hype out of the equation.
Second, i do not look a trophies until i finish the game.
Third , did i enjoy the game? No, then. Move on period. Having a huge backlog while working full time makes gaming time somewhat precious dont waste in on worthless prestige that no one cares that you achived.