It’s a bit of an unclear translation. It means more like clumsy, needs someone to take care of him.
Yeah after the 2nd person said it I started to think it was a translation thing. So it's like, he's not as practical / not fully adulting and on top of that he's squishy :P . My poor Lee Jun
Still hate the lying girl, mum / step mum and Wu Bi's Dad...
The 2nd couple took a different turn, let's see what they do with those 2