The idiom "you've made your bed" is used to convey the idea that someone has created a situation or problem, and they must now deal with the consequences of their actions.

• The idiom "X marks the spot" is used to indicate the location of something or someone that is important, valuable, or of interest. It is often used to describe a hidden treasure or a secret that has been revealed.

The idiom "rocket science" is used to describe a subject or task that is extremely complex and difficult to understand, especially for someone who is not an expert in the field.

To reveal a secret or a hidden truth, often unwittingly or unintentionally.

The idiom "self-made man" refers to a person who has achieved success or wealth through their own efforts and ingenuity, without relying on inheritance or any external help. It suggests that the individual has taken control of their life and has worked hard to achieve their goals.