The theme of the story is you got to do what you got to do.A example of this when Billy him self beat up bad but still do the fights for the money. Another example is that when he said he fight to get money to pay bills, and to get his wife so thing good.
Connections
Text to text-This character in this remember me of katniss in The Hunger Games because in the book she had to volunteer to save her sister just like Billy. In The Fighter billy has to fight to get money for his family.
Text to self-This character also remember me of my dad because made had to make hard choice to get his kids a better education. Billy did the same he had to make hard choice to get money for his family.