Of all movies that you gotta watch more than once to really understand, what is your favorite and why?

And read essays and visual representations of the timelines and… still not understand it fully

I think the point isn't to sort out all interactions and travels, but rather to convey the feeling that "this has gotten out of hand". I interpret the confusion to be the intended message.

This is the only movie I've ever watched twice back-to-back.

This is the correct answer.