Honor your deepest passion. The answers lie there. 

Aim

 This whole thing is a purification process. The aim is to learn gratitude and self-less service. 

I had figured it out on the 4th day. Or was it 3rd? Then why am I struggling to find it again? I recall clearly that it distilled down to that nothing, and I mean nothing can make us happy in this universe. The most fulfilled we will ever feel is when we serve others and when we can make them smile. And 'them' are not defined. It came to me and yet here I am.