You sensed that all the worry of whether or not they would be able to make the journey had clouded his mood earlier in the week but now it felt like a small part of Nottingham had descended on his hotel.
Researchers at Northwestern, in a small study using brain imaging, have found preliminary evidence that being in a positive mood aids the creative process in problem solving.
Denim retailer Replay recognized this demand and responded with their Social Denim range, a line of jeans that includes a small pocket for a bluetooth transmitter so that wearers can link up their smartphones and update their mood on their social networks through the click of a button.