Welcome to the Many-Armed Band-Aid, a place where the more arms you see, the more confused you'll be.
Functional programming is like trying to tie a knot with too many rubber bands. You start with one, then another, and another, until you have a giant ball of sticky mess.
Learn more about the Purity of FunctionalityOr, if you'd rather just have a good laugh, check out:
Functional Jokes