In some families, some children hold themselves back from success for fear of “outdoing” a parent. If the head of the household earned less than you are able to, you may feel some guilt or some concern that the parent will be threatened or shamed by it. No healthy parent would want a child to be anything less than wildly successful and happy.
Action: Are you more successful (in some way) than one or both parents? Take a look at whether you feel free to really enjoy and share your success with them.