I suppose it begs the question: does your current B feel floppy or sound floppy...or both?
if it is feel then you have to consider neck flex, construction etc, if it is sound then you have to think strings and set up.
If it is both then it is a long way back....
if it is feel then you have to consider neck flex, construction etc, if it is sound then you have to think strings and set up.
If it is both then it is a long way back....