Pov : my imagination of the story plot - I just think in the previous life bottom must have done the things told by his father & so top would have gotten wrong idea about him and after he knows is true self the top must have headed heels over for the bottom, but it must have been to late the bottom died after that he dig up the bottom life and trying to known him he must have felt sry for him, now the present life he is doing all the best for bottom so that he can fill up the void feeling from his heart 
