PBA: Really? You’ve never heard of a Mitzvah Kiyumis?
HaKatan: Why? If one is of the opinion that living is E”Y is a Chiyuv, why wouldn’t one be obligated to give up their Ruchniyus for it? If taking a Lulav hurts my Ruchniyus, does that give me a P’tur from taking Lulav?