Watch Da Birdie
I buy cakes for myself on my birthday it's not weird lots of people do it I bet
But that's the whole point of part 3, if you don't have that you may as well just skip to Dio.
I don't want them to cut it, I'm just saying let's not pretend that as of Part 3, Araki didn't loosen the story up a bit to allow for more MOTW-style battles to showcase the Stands.