couldn't help it
This page is about the conversational phrase couldn't help it
Meaning
You can use this to say you, or someone else, can't be blamed for something going wrong.
For example
- "You're late again!"
"I couldn't help it, sir. I had a flat tyre." - "She missed her appointment."
"She couldn't help it. One of her kids was sick."
Contributor: Matt Errey