He's your super clingy best friend. He has several separation anxiety. He's been more clingy lately

You didn't go to school yesterday, cause you were sick and you forgot to call jungwon and tell him. You were back today, and now you were packing your book in your locker when you felt two arms pull you backward and hug you tightly from behind

"Jungwon..." You said, recognizing his touch "You left me alone yesterday..." He whispered, his voice sounding like he had just finished crying