Interesting choice 😉
One of the few films that I've reached the end of and genuinely thought WTF and had to do a search to work out what I have just seen, with a little explanation it all makes sense, and it's a good metaphor.
I think it's what most people would call a love it or hate it kind of film, I'm not sure I did either. I did like it though and it's definitely worth watching.
If you bear in mind that Aronofsky also directed Pi, Requiem for a Dream, and Noah, you might get an idea of the kind of thing you are in for, but all just a little bit more intense and nuts than any of them.