Have enough money, to not worry about having enough money

I’m always worrying about money, i stress spending every penny. if i spend more then 5 on lunch ill be unhappy with myself. i want to not count every penny. i want to not have to worry about how my family is going to get by and not have to give up on every dream i have. maybe for now theres not much i can do to change my situation, but my hope is that once im older, on my own with my own family that i will have enough money that i never worry about the basics and only cutting back on how much i can actually do and not stopping my self from doing things completely. when i have my own family/kids i hope to make it so that they never worry about money the way i have.