Pin (one's) heart on (one's) sleeve spoken language verb phrase
To openly express one's emotions or sentiments towards someone.
Everyone knows Jim has a crush on Elsa cuz he always pins his heart on his sleeve.
I think Sam like you. Has he ever pined his heart on his sleeve?
If you really like Susan, pin your heart on your sleeve.
I like James' frankness. If he has a crush on someone, he always pins his heart on his sleeve.
people often do irrational or foolish things when they are in love.
to release your anger
To feel hopeless or lose control of one's emotions
To have the right to speak at a formal event
To cause someone to feel sad, depressed and hopeless.