Change is good

Change helps us grow into a better version of ourselves. So we are still ourselves but just a better version. Like how phones evolve over time. Does the phone always need to be able to text people or call, yes. So then yes you should pay for your meal, because even though possibly a sad version of you ate the meal and now happy you has to pay for it, which made you that happy. The change to the food is that it was there and now it's in your stomach. Change isn't always drastic, it can be small as well.