Matching Pairs Vocabulary - Why new habits are hard to stick toOnline version Vocabulary from the video https://www.bbc.co.uk/ideas/videos/why-new-habits-are-so-hard-to-stick-to/p07zqc7w by Patricia Benvenuti 1 experiencing a prolonged spell of success or good luck (informal) 2 something that is very easy to do 3 either of the two areas of firm pink flesh inside the mouth that cover the bones into which the teeth are fixed 4 the force that keeps an object moving 5 an event or item that is out of the ordinary and gives great pleasure. 6 to show something on a chart to chart a piece of cake on a roll momentum treat