The show
did change after season 2, and while i still enjoy it, i agree it has lost some of its magic. My advise is, if you don't feel like it, don't watch it, but don't forget it either. Someday you might want to give it another try, and you might enjoy it again. This happened to me with several things.
As for the question whether you've become jaded, you don't need the show to answer that. As long as you can find anything that makes you happy, you're ok.
Now, enough words, have a pony:
(IMG:[
fc02.deviantart.net]
http://fc02.deviantart.net/fs70/i/2014/194/4/c/rainbow_sparkle_pony_by_meteor_spark-d7qge9t.png)