This is so important! It seems like 'building' isn't just about a product, but about constantly building a better lifestyle and personal foundation. What was the most challenging part of that journey for nostr:nprofile1qqs04xzt6ldm9qhs0ctw0t58kf4z57umjzmjg6jywu0seadwtqqc75spz9mhxue69uhnzdps9enrw73wd9hj7qgdwaehxw309anrw73wd9hj7vdsd85 ?