The recent scandal involving South Korean actor Jang Dong Gun has left his wife, Go So Young, in a challenging situation. After the exposure of 700 messages detailing Jang's infidelity, the couple's marriage has been under intense scrutiny. Reports indicate that Go So Young has undergone a significant transformation, both physically and emotionally, in the wake of this scandal.

As of August 26, 2026, news outlets have reported that Go So Young has experienced a dramatic weight loss, dropping to 49 kilograms. This change is seen as part of her efforts to regain control over her life after the betrayal. She has reportedly refused all evening outings, focusing instead on her health and well-being. Many observers believe that her weight loss is a strategy to maintain her relationship with Jang Dong Gun, who has faced public backlash for his actions.

In a recent YouTube video, Go So Young expressed her joy at achieving her weight loss goal and shared her strict diet and exercise regimen. She revealed that she has eliminated alcohol and canceled all dinner engagements, emphasizing the importance of her diet in her journey. Her goal is to reach 47 kilograms, the weight she was at when she married Jang Dong Gun 16 years ago.

The scandal originated from a massive data breach that targeted several South Korean celebrities in early 2020. Hackers demanded ransom payments from the victims, threatening to release sensitive information, including private messages. Jang Dong Gun's involvement in the scandal was highlighted by the leaked messages, which included explicit discussions about seeking relationships with other women, further tarnishing his reputation.

Notably, the messages revealed Jang's discussions with fellow actor Joo Jin Mo about organizing parties with young women, which has sparked outrage among fans and the public. The timing of these revelations was particularly troubling, as Go So Young was pregnant with their second child during the period when the messages were sent.

Following the scandal, Go So Young reportedly faced emotional turmoil, feeling shocked and betrayed by her husband's actions. Despite their marital strife, the couple was seen vacationing in Hawaii shortly after the scandal broke, indicating a complex dynamic as they navigated their family responsibilities. Sources close to them revealed that Go So Young has been distant with Jang during this time, reflecting the strain on their relationship.

Ultimately, after nearly a year of reflection, Go So Young chose to forgive Jang Dong Gun, hoping to provide a stable environment for their children. This decision underscores the challenges many couples face in the public eye, especially when dealing with personal crises.