The film may have hundreds of problems, and a boatload of flaws but through apt execution, it evolved to be something that was able to hold its ground pretty well.
Amongst a bunch of speculative rationales for why it may have succeeded, I genuinely feel their utilization of human emotions got the job done here, or you can say it is because of the meaningful confabulations deftly laid out in a back-and-forth fashion or the actors who have had to partake in those didactic chatters or perhaps a mixture of both that ultimately led this narrative to a heartwarming closure.
This is a film that will remind you of your close ones, more meaningful to those who had lost someone they dearly cared about. This tale will make you remember the memories you shared, all those joyous moments you spent together, and even those arguments and fights you got yourselves into, both good and bad things populate their respective spaces in your unstained vase of recollections.
Keep it safe, don't ever let it go, it's too precious.