K-drama star Jung Kyung-ho, who in Crash Course in Romance plays a fragile celebrity maths teacher, talks about his sensitive roles

• In the hit Korean drama series Crash Course in Romance, streaming on Netflix, Jung Kyung-ho plays an anorexic, overly sensitive star tutor
• Jung talks about how he’s becoming more flexible at playing fragile characters as he ages, and his joy at working with co-star Jeon Do-yeon