Many years ago I heard the story, that when Reb Chaim was a yungerman, he was once learning with his chavrusa in the winter, and he noticed that his chavrusa was very cold, so he said to him, “believe me, if I would know how to make a glass of tea I would go make it for you”.
Its also known that until a few years ago before his involvment with Kupat Ha’ir, he literaly didn’t know a ???? ?????