'Butterflies at the start of a relationship aren't a good thing'To play this video you need to enable JavaScript in your browser.This video can not be played'Butterflies at the start of a relationship aren't a good thing'CloseListen to the full episode on BBC Sounds.SubsectionHealthPublished7 JuneShareclose panelShare pageCopy linkAbout sharingRelated topicsAnxietyFollow Anxietyclose panelYou are now following AnxietyUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description