Honest question that I know won't be well-received on HN: I don't know your personal details, but do you think there is not anyone else in a lower paid job who has figured out a way to support their family?
Frustration stems from when reality doesn't meet our expectations. You can choose to try and bend reality to your will or change your expectations. One is significantly easier than the other.
Most of my frustration is because my bosses are assholes. I now expect bosses to be assholes, but it's still frustrating.