Life unfolds when aged by time

My life has its ups
And its downs
My life has its smiles
And its frowns
My life is sometimes high
And sometimes low
My life is mine
To control,and to hold

My life flows like a river
Against the wind
My life flys like a bird
In the sky
My life rolls like
An animal in the cold
My life is sometimes high
And sometimes low

My life is a loner
Against the world
My life is a kind soldier
Saving a girl
My life is mine and only mine
My life unfolds when aged by time