When to use it
Use it when feedback catches you off guard and your first instinct is to explain yourself. A short pause lets you consider it properly. You can share your reasoning later, once you've thought about whether the feedback has a point.
Example
Manager: “The proposal felt too long for this client.”
You: “Let me think about that before I respond. Thanks for being direct.”
In an email or Slack message
Come back the same day or next day: “I thought about your feedback on the proposal. You're right that it's long. I'll cut it to five pages. One section I'd keep is pricing, because…”