Negative reinforcement happens when something unpleasant for the individual (in this case the picnic), is removed due to the individual's behavior (meeting this month's sales).
I hope you find this information useful and interesting! Good luck!
umm brobaly control your eating diet, start going for walks or runs a couple times a week, maybe make yourself gluten free, and my mom is trying to lose weight and she is doing a weight loss thing and working out
