It’s confusing because thine has two uses. One is as an adjective (as in “The enemies are thine”) and the other is as a pronoun, but only before a word that starts with a vowel sound, so it would be “thine enemies” but “thy cheek”. In that case, thy/thine works just like a/an.
Hillary should do more snark. Lean into the right-wing hate instead of trying to rise above it.
B-B-But Jeebus said “show them both cheeks”.
Oh, wait…,
“Lo, should thine enemies strike thine cheek, thou shalt goatse.”
*thy
It’s confusing because thine has two uses. One is as an adjective (as in “The enemies are thine”) and the other is as a pronoun, but only before a word that starts with a vowel sound, so it would be “thine enemies” but “thy cheek”. In that case, thy/thine works just like a/an.