Choose the suitable adjective for each definition.

Choose the correct option.

This person becomes angry easily. [Insensitive|Unsociable|Irritable]
This person loves to help or support other people. [Generous|Stubborn|Patient]
This person focuses on the better side of life. [Shy|Easy-going|Optimistic]
This person has trust in themselves. [Flexible|Selfish|Confident]