A yeshivah bochur in Bnei Brak was once found with inappropriate reading material. His Roshei Yeshivah wanted to expel him, but before taking this drastic step, they decided to consult with Rav Shach, the Gadol Hador and Rosh Yeshivah of Ponevezh. Rav Shach requested to meet the bachur before he offered his opinion. Rav Shach met with the bachur and realized that the bachur was having doubts in emunah. Rav Shach spoke with him at length, and tried to strengthen his emunah. This meeting took place at the end of the winter zeman. Rav Shach asked the bachur, who lived in Tel Aviv, to meet with him again over the Pesach break.
After Pesach, the boy's Rebbi asked Rav Shach if the boy had actually made the effort to travel to Bnei Brak to see him. Rav Shach said that they boy did not have to come to him because he himself traveled to Tel Aviv twice to see him over the Pesach break.
At the beginning of the new zeman, the bochur returned to yeshivah and reported to his rebbe that his emnuah was now strong and steadfast. He said, "If Klal Yisrael includes a person who is so caring that he traveled twice to Tel Aviv to see me, I have no more questions in emunah."