If the shoe fits wear it
In Persian اگر کفش اندازه است، بپوش.
This idiom is used in Persian to mean that if something applies to you, you should acknowledge it.
Example
"او به دروغگویی متهم شد و گفت: "اگر کفش اندازه است، بپوش." (He was accused of lying, and he said: "If the shoe fits, wear it.")"