The Mishna Berurah in Hilchos Lulav says that being machmir on various stringent shittos is hidur mitzvah.
Perhaps that would extend to the shiur of k’zayis for eating matzah.
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The Mishna Berurah in Hilchos Lulav says that being machmir on various stringent shittos is hidur mitzvah.
Perhaps that would extend to the shiur of k’zayis for eating matzah.