What does "I might add" mean?

Hair: grey and losing it, I might add.
• None of which has been answered yet, I might add.
• Very expensive method too I might add.
• Yes, they have decided to reinstate you, over my violent objections, I might add.
Thank you

Question

What does "I might add" mean?

Hair: grey and losing it, I might add.
• None of which has been answered yet, I might add.
• Very expensive method too I might add.
• Yes, they have decided to reinstate you, over my violent objections, I might add.
 Thank you

Answer

It adds emphasis. It shows the speaker thinks this thing is particularly important.

Answer

You use the expression when you think a point that hasn't been mentioned is relevant to the conversation.