Soon I Will Stop Giving Unasked-for Advice to Giles Auty   Soon I will stop giving unasked-for advice in the hopes of an echo of something nice inferred in return.   I’m not sure what exactly is preferred; an agreement, praise for perspicacity or an audaciousness of thought indicated with bated breath?   I guess I must be approaching old age when I want to have a label of sage written about me. A sagacious author perhaps? Like Giles Auty perhaps? When writing about other critics of contemporary art, he is very smart.   I remember once when Giles was…