The phrase "hadst a yen for" means a strong desire or longing for something. Antonyms for this phrase would include words or phrases indicating the opposite, such as contentment, satisfaction, indifference or apathy. These antonyms suggest a lack of desire, passion or ambition, or a sense of fulfillment and peace. Examples of phrases indicating contentment could include "satisfied with what one has," "at peace," or "content with the present moment." Meanwhile, indifference or apathy could be conveyed through phrases like "lacking interest," "disinterested," or "unmoved.