Firstly. Absolutely do not go down the route of the….. last point, that’s a really slippery and unhealthy slope. Secondly, just accept that it happened and move on from it, but also try and understand why it happened. When you rationalise and even externalise these things it can help you identify the root cause, which you can work backwards from and try and adopt a strategy of avoiding a relapse. Is it the level of deficit you’re trying to sustain? Restriction in foods you’re allowing yourself? Emotional struggles with other aspects of life?