Losing Weight (8lbs) – I need to believe!!

So I want to lose 8lbs this month but I have some thoughts that planning won’t make a difference, fear of missing out that are leading to lack of motivation and in turn a half-hearted effort. The issue is, I don’t believe that changing my eating will make a difference and I will be sacrificing and it won’t be worth it. I’ve done models on these thoughts and have tried replacing them with losing weight is going to be great, but that thought feels forced. Do you have some other thoughts I can try that might be more believable or resonate more?