Advertising guru David Ogilvy famously said the customer is not a moron, “she’s your wife”. As India Inc splits hairs over its preparedness ahead of the goods and services tax (GST) roll-out on July 1, RPG Enterprises Chairman Harsh Goenka (pictured) has decided to invoke “the wife” yet again. In a tweet he compared the new tax with one’s wife. “#GST is like your wife/Reporting will increase/Little complicated/No ‘idhar udhar’ allowed/If you don’t remember some dates, aap gaye,” he explained.