1. Cathartic
adjective providing psychological relief through the expression of strong emotions
Crying is a cathartic release.

2. Reticent
adjective
not revealing one's thoughts or feelings readily: “She was quietly reticent about her personal affairs"

3. Antithesis
Noun
a rhetorical device in which two opposite ideas are put together in a sentence to achieve a contrasting effect.
“Setting foot on the moon may be a small step for a man but a giant step for mankind.”

4. Petulant Adjective childishly sulky or bad-tempered.
“He was moody and petulant"

5. Irrevocable ADJECTIVE
not able to be changed, reversed, or recovered; final:
Your smoking is causing irrevocable damage to your health.