Short Essay Question on Socrates

According to Socrates, how is a reflective lifestyle necessary for happiness?

(Break down the question into these parts):

What does Socrates mean by a reflective lifestyle, and how is it necessary for being happy?
What is Socrates' argument for making this claim? What are his reasons?
What are some objections one could make against this view? Aren't there other ways to be happy than living a life of critical thinking?
Why would Socrates reject those alternatives?
What practical difference does adopting Socrates' position make?