My mother is my best friend.

My mother makes a lunch box for me every day.

She missed school because of menstrual pain.

Her sorrow over his death was deep and sincere.

He was deeply saddened by the death of his friend.

My grandmother has been suffering from neuralgia for many years.

My eye pain is so severe that it's hard for me to look at the computer screen.

Recently, I can't concentrate on my work because of severe shoulder pain.

He clenched his fists in anger, his knuckles turning white.

She is suffering from temporomandibular joint disorder.