Gunmen clash with police following storming of compound

What does the phrase 'I'm good' imply about a person's emotional state?

In what contexts might someone say 'I'm good'?

How can the phrase 'I'm good' be interpreted differently based on tone or context?

What are some alternative phrases that convey a similar meaning to 'I'm good'?

Discuss a situation where saying 'I'm good' might not be entirely truthful.