Should Manny Pacquiao concentrate on March 13 and not Mayweather?

he should concentrate on march 13,hes never gonna fight mayweather as he trys his best 2 keepducking him,y not take adrugs test?says it all 2 me,something 2 hide ,never has and never will have any intention of fighting an undefeated legend of the ring which he himself can never claim 2 be