It.s just in our heads .
If you know you can do it , and you can imagine that , than definitely you can do it .
It.s quite simple .
If you want smth , you must get it .
And not waiting for it , but trying to have it .
If you wanna be happy , then be .
"Choose" smth that makes you happy ,and it.s good for you , and don.t let it go .