Run its course
The phrase "run its course" means to progress or develop naturally until it reaches its natural conclusion or resolution. It is often used to describe how a situation or condition plays out without any external interference or intervention. It suggests that the situation or condition will naturally resolve itself over time, without any necessary action taken.
English is confusing! Why do people say "Pardon my French" when they are speaking English? Because of idioms!
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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