one that particularly puzzled him showed at the bottom a segment of a circle , behind and above which rose three-quarters of a disk divided into concentric rings . their friend pressed his hands against his head . just because you live practically forever doesnt mean you should overeat , '' i said as i set everything down . i want to look at him , see what 's in his eyes , but i 'm almost afraid to look . actually , come to think of it , this may not be a bad thing . 