Do introverts not live as long as extroverts?

She is more shy than cold.

She seems shy, but has a strong will in practice.

She shows a shy disposition.

She is shy and always remains in the background.

I like her all the better for her shyness.

She had been very shy till she graduated.

She was naturally shy.

She was shy in her high school days.

She is very shy and feels ill at ease at parties.

His shyness made public speaking a torment to him.

He is reserved by nature.

She is not so much unsociable as bashful.

He is more shy than timid.

He is not the shy boy he used to be.

He is too shy to talk to girls.

Japanese students seem not merely to be extremely reserved, but to have at times almost a complete reluctance to speak.

Some Japanese are shy even to the point of appearing rude.

The shy girl kept her idea to herself.

The shy boy blushed at her compliment.