`` so long as you 're careful , '' said odd . i was concentrating so hard that when i finally found it , i just stared at it for a few seconds to make sure it was really there . `` i 'm always interested in everything you do - but you do n't have to tell me unless you want to . '' `` you do n't sound sick , '' her friend announced first thing . i ca n't even look at him , so i turn away . 