>> u = User.new
u = User.new
=> #<User:0x32d4e90 @attributes={"salt"=>nil, "updated_at"=>nil, "crypted_password"=>nil, "remember_token_expires_at"=>nil, "remember_token"=>nil, "created_at"=>nil, "email"=>nil}, @new_record=true>
>> u.email = "blah@here.com"
u.email = "blah@here.com"
=> "blah@here.com"
>> u.password = "tester"
u.password = "tester"
=> "tester"
>> u.password_confirmation = "tester"
u.password_confirmation = "tester"
=> "tester"
>> c = Customer.new
c = Customer.new
=> #<Customer:0x32ce2e8 @attributes={"anonymous"=>nil, "user_id"=>nil}, @new_record=true>
>> c.user = u
c.user = u
=> #<User:0x32d4e90 @password="tester", @attributes={"salt"=>nil, "updated_at"=>nil, "crypted_password"=>nil, "remember_token_expires_at"=>nil, "remember_token"=>nil, "created_at"=>nil, "email"=>"blah@here.com"}, @new_record=true, @password_confirmation="tester">
>> c.anonymous = false
c.anonymous = false
=> false
>> c.valid?
c.valid?
=> false
>> c.errors.empty?
c.errors.empty?
=> true