mark: hey, my pen's not working, can you write your number to test it out?
donghyuck: no.
mark: but why?
donghyuck: you said it's not working, there's no need for me to test it out.
write your number
mark: hey, my pen's not working, can you write your number to test it out?
donghyuck: no.
mark: but why?
donghyuck: you said it's not working, there's no need for me to test it out.
