The thing is...

Meaning

Introducing a key point or explanation.

Examples

• John: I don't understand why you didn't apply for the promotion.
• Alice: <b>The thing is...</b>the job requires extensive travel, and that doesn't fit my current lifestyle.
• John: I see. So, that was the main reason?
• Alice: Yes, exactly. <b>The thing is...</b>family comes first for me right now.