search for: marketing_address_id

I have a User model and an Address model. A user has_many addresses, and an address belongs_to a user. An address object for a user could be a billing, shipping or marketing address. The way I''m tracking this is via the user attributes: billing_adress_id, marketing_address_id and shipping_address_id in the user table, which holds the relevant address id. But in my form that allows a user to edit an address, including nominating it as a marketing, shipping or billing address, I''m getting stuck with the check_box helpers setting this up. Here''s my form...