Let's Speak Korean 4(Ep.73) I wonder if he'll quit again after learning for a while - 배우다 그만두는 거 아냐?

I wonder if he'll quit again after learning for a while. You lack of tenacity. I say that decision won't last three days. You need to have tenacity. while eating I wonder if he'll sleep while studying for a while. 배우다가 그만두는 거 아냐? 끈기가 없어. 작심삼일 끈기가 있어야 돼. 먹다가 공부하다가 잠드는 거 아냐?