Don't need to think about it, especially not in this weather. However my drink of choice would not be some American capitalistic branded form of good old lemonade!!!
7-Up, although American in origin, is owned by Cadbury Schweppes - a company with distinct British overtones (apart from the Schweppes bit, I think...)
I just called to say I love MMUUURRRRRRGGGGGHHHHHH 3:-O