wear your heart on your sleeve
Meaning: If you wear your heart on your sleeve, you show your emotions openly and you don't try to hide your feelings.
- Ivan is one of those tennis players that spectators love to watch because they always wear their heart on their sleeve.
- You'll never be a good card player if you wear your heart on your sleeve. Other players can tell if your cards are good or not by watching your reactions when you get them.
Benny always wears his heart on his sleeve, so it'll be easy to know