Characteristically Hard Words I Need To Practice

​I do not know.
I do not understand.
I was wrong.
I am sorry. 
I made a mistake.
I am lonely.
I am angry.
I don't remember.
I forgot.
I am confused.
​I am sad. 
I don't want to. 
​I am uncomfortable with what you said. 
That hurt my feelings. 
​This is goodbye. 
​No.
I cannot help.
​I need help.