On the November 20 broadcast of tvN's 'You Quiz on the Block', actress Gong Seung-yeon opened up about the difficult period when her sister, TWICE's Jeongyeon, was battling Cushing's syndrome. Gong shared her deep anxiety during that time, admitting she was terrified that Jeongyeon might give up on everything or disappear entirely. In return, Jeongyeon expressed her immense gratitude, revealing that she relied heavily on her sister's support to emerge from her mental struggles and return to the world. - Gong Seung-yeon provided unwavering support to her sister, Jeongyeon, while she suffered from Cushing's syndrome. - Jeongyeon credited her sister for helping her overcome a difficult mental period and re-entering the public eye. - The sisters showcased their deep bond and mutual reliance during their appearance on the 15th-anniversary milestone episode of 'You Quiz on the Block'. Q: Why is this trending? A: The public is moved by the deep sisterly bond and the emotional backstory of how Gong Seung-yeon helped TWICE's Jeongyeon navigate her recovery from health challenges. | On the November 20 broadcast of tvN's 'You Quiz on the Block', actress Gong Seung-yeon opened up about the difficult period when her sister, TWICE's Jeongyeon, was battling Cushing's syndrome. Gong shared her deep anxiety during that time, admitting she was terrified that Jeongyeon might give up on everything or disappear entirely. In return, Jeongyeon expressed her immense gratitude, revealing that she relied heavily on her sister's support to emerge from her mental struggles and return to the world. - Gong Seung-yeon provided unwavering support to her sister, Jeongyeon, while she suffered from Cushing's syndrome. - Jeongyeon credited her sister for helping her overcome a difficult mental period and re-entering the public eye. - The sisters showcased their deep bond and mutual reliance during their appearance on the 15th-anniversary milestone episode of 'You Quiz on the Block'. Q: Why is this trending? A: The public is moved by the deep sisterly bond and the emotional backstory of how Gong Seung-yeon helped TWICE's Jeongyeon navigate her recovery from health challenges.