Michael Oher early childhood

The book does not do a great job a telling how michael's parents are not their for him and why he ends up out on the streets.  After some further research I found out,  Michael's father was constantly always getting in trouble with the law and was in prison for almost all of his childhood.  As for Michael's mom she was addicted to drugs and was never there for Michael as a child.  But thankfully Michael has a new loving family the Tuohy's who are a great family.