* Update datails known numbering in the db
* Update check answers card headers
* Display same person pges for joint and non-joint purchase
* Only display person questions once
* Remove unused person class and methods
* Always display person known pages and update headers
* Fix depends on, show retirement validation for buyer 2
* test
* Add person 5 to test
* fix context description
* Display person known question for appropriate number of other household members
* tests
* update test
* Remove page id stubbing
* Remove redundant tests
* only put validation on the pages that are routed to
* Refactor tests
* Add min and max to age2 + questions
* validate that under 16s are economic children
* Update factory
* Update test
* Update ecstat, relationship and age validation
* Enable multiple inferred check answers values
* lint and add new conditions to check answers for age1
* Rename method
* Refactor inferred answer value
* rebase update
* update inferred_check_answers_value after rebase
* Move the method to private
* Add a missing test
* rebase changes
* Add prefers not to say as the displayed value for all household members
* update [0] to .first
* replace [0] with .first
* Refactor working situation to take in person index
* Refactor age to take in person index
* Remove unused methods
* Cleanup
* Change person_index to a named argument
* extract details_known_question_id
* Fix answer options
* Add field_for_person methods