How to answer a question you don't know the answer to / How to say you don’t know

How to answer a question you don't know the answer to / How to say you don’t know
How to answer a question you will never know the answer to

How to answer a question you will never know the answer to
How to respond when you think someone is overreacting 

How to respond when you think someone is overreacting
How to say you’re not ready to move forward after an apology

How to say you’re not ready to move forward after an apology