As the goguma couple continue their meal with Yong's mom, Hyun showed how hard she's trying to impress the mom. They then started giving her the gifts they prepared. Yong gave his mom wine colored sunglasses. And to Hyun's delight, she learned that she likes wine color because her gift for her is a wine colored scarf. She also gave her healthy supplements and a letter that touched Yong's mom.
They then said their goodbye to Yong's mom and walked holding hands to meet Yong's friends. ^^
Sweet Potato Couple - Episode 39 (011511) w/ English subtitles
credits: Korean Rainy Days