New research reveals more than one in three people are likely to break their pledge today. And there will be further failure in the days ahead, with weak-willed Brits set to give up their good intentions even before Quitters Day traditionally the second Friday of January, which falls on unlucky Friday 13 this year. Only a third (38%) of the most determined people will stay on track until the end of the month, based on last year's performance, and the numbers in 2023 might well be less than that.