It’s normal thing a man takes picture with his girlfriend. However, it doesn’t belong to most Korean star like Super Junior’s Heechul. He reveals it while promoting drama ‘My Daughter’s Men’.
Super Junior’s Heechul reveals it’s dangerous after taking photo. If someone steals my phone, he gets a chance to post the pictures to the internet which damaging both I and my girlfriend.
Also he mentions it’s awkward if he breaks with girlfriend, but the photos are still there. That’s why we don’t see any his lover’s picture in Heechul’s phone. The singer knows how to protect him and his family in the safe way as a celebrity and is too careful.