"If you maintain a calm, non-aggressive manner it's a well-known fact that eventually the aggressor will mimic your manner and calm down, " says Mr Eason.
It's decision to approve the drug for use with some NHS patients follows the granting of a UK licence for its use, along with standard chemotherapy, to treat the aggressive form of non-Hodgkin's lymphoma.
Both AMVETS and Disabled American Veterans believe that the VA could raise more revenue by being more aggressive about pursuing billings for non-service-connected treatments.