to wear one's heart on one's sleeve

He really **wears his heart on his sleeve**, you can tell exactly how he feels.

Idiom Emotion

Meaning

to openly show one's emotions or feelings

He really wears his heart on his sleeve, you can tell exactly how he feels.

the part of a garment that covers the arm

to have clothing or accessories on one's body

the organ in the chest that pumps blood through the body; the center of emotions and feelings

the number equivalent to the sum of zero and one; a single person or thing

to gradually become less strong or intense

a moment of sudden discovery or realization

the existence and activity of a person or business on the internet

to remain calm and not show emotion

to distinguish valuable things from worthless ones

someone told me something secretly