Human is a social being and cannot live alone.Human needs someone

Human is a social being and cannot live alone.Human needs someone to share feelings of joy and sorrow.Friendship is the most valuable relationship in the life of a person.Everyone needs a good and honests friend to share bad or good events and enjoy happy moments.Good friends share each other's emotions which bring the feeling of mental peace.A friend is a person whom one can know well,love and trust forever.Generally,friends motivate each other without criticizing but sometimes good friends ciriticize to bring some positive changes in each other.
True friendship gives us memorable,sweet and pleasant experiences of many types in the life.Searching for the best friend is not an easy process.Soemtimes we get succes but sometimes we lose

What question has no answer in the passage?
a) what is the most valuable relationship in the life
b)Whom does everyone need?
c)What do good friends share with each other?
d)How many friends does a person need?
e)How do friends motivate each other?