IDIOMS 2

To read between the lines:
To try to understand someone's real feelings or intentions from what they say or write, to infer something (from something else).
Example:
The report doesn't criticize the research directly, but you can read between the lines that the review committee wasn't impressed.

People who live in glass houses shouldn't throw stones:
This means that you should not criticize other people for bad qualities in their character that you have yourself.
Example:
He's always criticizing Rick for the way he treats his wife and I feel like saying, people who live in glass houses shouldn't throw stones.

Wheels come off:
If the wheels come off something, things start to fail or go wrong, especially after a period of success.
Example:
Chelsea were leading 3–1 at half-time, but then the wheels came off and they ended up losing the game.