but this morning, i couldn't talk with him by phone, so i'm very anxious for his healthy conditions. as soon as he enters, it's apparent the man is alive. it turns out he hasn't been able to pay his phone bill, so it's been cut off. he's also removed his oxygen mask, and as he checks, he finds his blood oxygen level is very low. his blood oxygen level is only 92%. it is not good for you. so i put the mask to his mouth, and, "please keep it to keep you protected." so what'll happen now with his bill? oh, this is for the telephone bill! he's living alone, so he couldn't pay the telephone bill because of his very bad condition. so i've received it, and now i'm going to the convenience store to pay for it.