you can experience different things in life being a student, engineer, in quarrel, in hosiptal and in beach. each scene has its own setting which you will realize that it is so specialize that you have not try it before.

you begin to wonder why is there things that are so new to you and cause you to be so absorb that you realize that you cannot find a single coherent meaning to life as a whole. it seems to you that life is thus unconnected because there are so many unqiue things that are unrelated.

the truth is that because the world is too big so we will experience things that are unique and unrelated by a large margin.

however, our focus is not to be afraid of such disparity in life experience. our connection of all these differnt and unrelated experience is the reason why we are in these situations. and all these adds up according to causality, your beliefs.