Lyric discussion by adamL327 

Cover art for I Do lyrics by Pedro the Lion

I think this song is sung from the point of view of a young man that has reached a turning point in his life. He no longer has hopes. The man had a lot of dreams growing up. The dreams gave him motivation in life, a purpose to live. At the point when he has the child, he realizes that his dreams are no longer a possibility. With this realization he desires two things. One, he wants to go back in life and unmake the decissions that led him to being disconnected with his dreams. And secondly, he wants to explain to other people (his child) that there is no boint in living because any hopes you will ever have will fade away or be destroyed. At the end of the song, he begins to cope. He decides that if he can't live any of his dreams in his life, his son can live them for him.