I learn that precious sentence today. You'll be much much and much more happier when you decide to stop caring about something, someone, anything too much. 

Well, I used to like this guy in my college so much. And I was like...care too much. I can't take my eyes off of him even just for a second. Like, oh please. Like, really. I was like got really worried and cautious if he is off of my eyes. I am feeling like a creep, indeed. But then, I realize, what's worth it? Nothing. You get hurt, but he would never know. You like him, you couldn't tell him either. You keep all of them by yourself, lock them inside you, no one ever know how exactly you feel. Nothing is ever worth the pain you feel. The pain of not being able to tell. The pain. 

So, I decide to stop giving even a damn thing about him. I like him, but nothing is ever worth the pain.