hi - i have two models, A and B, and each habtm the other

if I do

a  = A.new
b = B.new

a.bs << b
a.bs << b
a.bs << b

this creates 3 records in the join table.

Is there any way for me to remove only one of these?  I can only seem
to remove all of them.

thanks for any help,
dino
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