Hi,
I'd be sooo happy I any of you could help me out with a problem I'm
currently stuck with 
### Basic info ###
I'm on Rails 2.3.5 and love using the formtastic formbuilder
### What I'm working on ### I'm currently trying to build a little demo app where my friends and I are able to manage all the things we borrowed each other. (I know there are apps like this on the internet, I just wanted to built my own to get used to rails :-)).
So wanted to build a form where I can enter: - the name of the thing I'm borrowing to someone - who I'm borrowing the thing to
--> I set up the Models User     name ..... (default hobo user model)
Loan     name:string     reminder:date
### PROBLEM ### Now I wanted to set up 2 relations between the model..... - Who is giving away the loan - Who borrows the loan
???--> What do you think would be the most clever way to set up these relations for my "use case"???
### Idea 1 ### Loan    belongs_to :lender, :polymorphic => true    belongs_to :borrower, :polymorphic => true
User    has_many :loans, :as => :lender    has_many :loans, :as => :borrower
--> Does this work anyway??? (User.loans would be ambiguous, right?) --> how could I create a form to create a new Loan and select the borrower from a select (the app would assign me as the lender in the controller or by hidden field I guess)
### Idea 2 ### Loan     has_many :loan_assignments, :dependent => :destroy     has_many :users, :through => :loan_assignments, :accessible => true
User     has_many :loan_assignments, :dependent => :destroy     has_many :loans, :through => :loan_assignments
--> How do I restrict the form, so I can only select 1 borrower in /loans/new ???