An interesting read, as Sir Roger Gale MP corresponds with Prime Minister, Boris Johnson, regarding how British national's pensions, benefits, healthcare and general rights will be affected by Brexit and beyond.
Reply letter from Boris Johnson to Sir Roger Gale MP, October 17th in reponse to his concerns in relation to the rights of British nationals living in the EU:
Sir Roger Gale's response letter sent to the Prime Minister, Oct 18th 2019: