Early childhood

• Self exploration

• Concentration 

• Social difficulties

• Separation anxiety

Juvenile

• Self-identity

• Impulsiveness

• Academic pressure

• Internet addiction

Teenager

• Self-esteem

• Insomnia

• Lack of interest

• Appetite 

Adult

• Self-efficacy

• Work pressure

• Alcohol dependency

•  Responsibility

Middle-age

• Value of life

• Change of role

• Health issues

• Parents' care

Elderly

• Facing death

• Memory loss

• Stubbornness

• Loneliness