Many people are challenged in their ability to be honest when it comes to saying what they really think to others. They are conflicted between what they really think, and their desire to not risk disapproval.
Whose permission do you need? Who needs to give you the nod of approval? Unless you're six years old, you don't need anyone's permission to create a better, fuller, richer life for yourself.
There is one specific belief that anyone with this problem almost certainly has: "What makes me good enough is having people think well of me."