Earlier quoted context omitted.
You are confusing a sense of accomplishment for happiness. That suggests that you may not have felt happiness enough (or recently enough) to recognize it.
Not really. He's just using a more broad (scientific?) definition of the word "goal". Eating food every day is a goal. Getting enough sleep is a goal. Peter Gibbons in The Office has a goal to do absolutely nothing.
I meant Office Space. How embarrassing.