I have a simple theory: Nothing is infinite unless the universe is infinite.
Let’s take an example of something we think is infinite. How about Real numbers? Say, between 5.0 and 6.0 there’s an infinite decimal place? How would we be sure? If we were to calculate it, it would only be limited to the amount the computer hold; thus, finite. What if we store the decimal numbers between 5.0-60.0 on a million computers? It still would be finite since there are limited amount of computers space. Another example: how about counting to a large number non-stop hoping to count to infinity? You’ll died soon. What about having someone take over that count? They’ll died soon! Eventually, someone might counting or maybe the earth might end in many billion years and thus the counting will be finite! Last example: the number of atoms in the universe if infinite, right? No! Unless the universe is expanding. There’ll be eventually a time when all the atoms are counted if the space in universe is limited, possible a gigantic number; however, the gigantic number wold be inferior to infinity.
So, my theory is nothing is infinite unless the universe is expanding! If not, the universe has a limit and thus, everything has a limit.