T-Rex: "That" is an amazing word in the English language! It may be an amazing word in other languages too, but it is DEFINITELY an amazing word in English.
T-Rex: It's one of the few words that you can use as often as you want, and still be grammatical!
T-Rex: FOR EXAMPLE: I could say "That is a rad word", referring to, perhaps, the word 'syzygy'. But then I could ALSO say "That 'that' is a rad word!", referring to the 'that' in my previous sentence! Then I could go on to say that "That 'That "that"' is a rad phrase", and so on, to INFINITY.
Utahraptor: And you call that grammatical.
T-Rex: It is. Technically!
Utahraptor: Man, you know what I call it?
T-Rex: "You are a good friend, T-Rex, and I'm really sorry if I'm too critical sometimes"?
Utahraptor: ...
Narrator: LATER:
T-Rex: Yes indeed!
T-Rex: I won that argument through FEELINGS