the announcements clearly state ‘do not cross the yellow line’ which in turn then causes a problem as how do you get on the train if you can’t cross this line. "the scientific guide on how to sleep" is a very handy book that just how important sleep is to the human body and mind. that point leads rather well into this idea – to budget for quality and look at the value of things rather than the price. she likes to take a break over the hottest months of summer. 