I think he was unfaithful ["a symbol of everything I have stolen"] and she is no longer forgiving ["her forgiveness turns to loathing"], but has given up on him ["my one true love, why do you forsake me?"]. She was everything to him ["the epitome of my ardency"] and he wishes she would forgive him and "plunge" her love back into him and give him peace once again.
I think he was unfaithful ["a symbol of everything I have stolen"] and she is no longer forgiving ["her forgiveness turns to loathing"], but has given up on him ["my one true love, why do you forsake me?"]. She was everything to him ["the epitome of my ardency"] and he wishes she would forgive him and "plunge" her love back into him and give him peace once again.
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