Expressing Pleasure, Pain and Relief

Expressing pleasure is expressing enjoyment, happiness or satisfaction

Expressing : “Oh my God, my boyfriend ask me to go to dinner tonight”

Expressing relief is  expressing a lessened pain or stress.
Use to express relief. When we have problem, then we can solve it, we will feel relief. 

Example: “Oh, I know what the answer!”

Expressing pain is expressing emotional or mental suffering.Use to express if you get hurt.

Example: “Ouch!! I got stomachache”