but at least , andrew thought , he would be one step nearer london when they went , and he had gaia 's assurance that she had been too drunk to know what she was doing with fats , and perhaps she might invite him and sukhvinder back to her house for coffee after the funeral was over ... gaia , who had never been inside st michael 's before , was half listening to the vicar 's sing-song delivery , letting her eyes travel over the high starry ceiling and the jewel-coloured windows .