" However, in this example, "who" and "ever" are distinct words. This is obvious since "ever" is being used to mean "at all times, or at any time" in this context. As such they should be two words.
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MidnightSpark, you are correct.
Whoever is a pronoun meaning "a person who."
"Who ever" is a pronoun plus an adverb.
Totally different meanings.