Inside south Dublin’s secret world of weight-loss jabbers: ‘Women are shrinking before my eyes. Handbags are quietly being sold to fund the habit’

‘Ah here, another one climbing Kilimounjaro,” I say with a smirk, as I sit in Butler’s in Ranelagh, having just spotted another wan head to toe in her Lululemon gear, looking like she’s out jogging. But she’s not jogging, she’s jabbing. And she must be a bit delulu if she thinks I can’t see what’s going on, as I am the unofficial jab expert!