Remember all those proofs from geometry class that always seemed to involve the phrase if...then...? If one statement is true then another follows as a result. If I go in the pool, then I will get wet. If I don't like the song on the radio, then I will turn it off. Et cetera.
Sometimes in life we use similar statements to correlate happiness and success. If I become a rockstar, then I will be happy. If I become CEO, then I will be happy. The trouble is, like in these statements, happiness tends to be reserved for the end goal and for situations that might be unrealistic. This isn't to say that you shouldn't work towards goals that may seem crazy and impossible. But, happiness shouldn't be a reward that is only allowed if you reach them.