I've always disliked quotes like that. They make me really angry sometimes. Its so hard to control how you feel especially if you're depressed. You can't just magically "make yiurself happy" it doesn't work like that. But sometimes I'm like I'M SO HAPPY LIFE IS GREAT WOW HAPPYNESS. So it really varries for me sometimes. I also hate how they say "you can only love someone if you love yourself"