They just wait that one day there imaginary friend is going to be a real friend. They describe their friend in there imagination, not known by the reality as they need a true friend as they have imagine about him or her. Not me but you will also be shocked to know that what a stresful life they are living. They are hiding behind a fake smile of depression knowing that their fake smile will come true one day believing on friendship. With a hope that they are going to celebrate friendship day with their real friend sharing their memories with each other. A person being able to do everything can also not be able to find a true friend. You may not belive it but it is the truth.
I am also alone as I don't have a best friend. Hoping that anyone of my age can be my be my best friend.