Wear your heart on your sleeve

Meaning

To show your emotions openly rather than hiding them. People who do this are considered honest but perhaps a bit vulnerable to criticism.

Descriptive, sympathetic

Used in a sentence

• She wears her heart on her sleeve and cries at every commercial.
• You might get hurt if you continue to wear your heart on your sleeve at this job.
• I admire how he wears his heart on his sleeve during their arguments.