It is better to have your glass half full,so that you can choose what to fill the rest of the glass with. This thought dawned upon me at 7 am as I filled my bucket for a morning bath.It's always better to fill the bucket half way with hot water so that one can alter the temperature of the remaining water by mixing cold/warm water. Now if the bucket was too full then some of the water would have to be spilled , and that is never a good thing in this age of water conservation. Now If I had a half glass of water,I could choose to mix the rest with fruit concentrate, soda or liquer.I could choose to fill it with ice, a few mint leaves, toss in a few lemon pieces... and by the time I would be done with it, it would stop being just a half filled glass of water, but a glass filled with creative ingenuity. Or if I had a half glass of milk , I would add coffe and sugar and whisk up a cold coffee.In fact its easier to whisk half glasses of milk than glasses which are brimmimg over w