In his youth my zeide once traveled from Lubavitch and the Tzemach Tzedek to Homil, where Reb Aizel bombarded him with detailed questions about the trip. (Reb Aizel’s interest in Lubavitch and the Tzemach Tzedek was intense; he had to know every detail.)
And when the subject of Tisha B’Av came up, Reb Aizel asked, “Where were you?”
“In Korma, ” my zeide replied.
“Nu, and what did you do?”
“We recited Chassidus. ”
“You think you’re so special, ” Reb Aizel asked, “To recite Chassidus on Tisha B’Av?!”