The solution to insecurity is not controlling someone else. (You can never control someone else enough to feel 100% safe.) The cure is inside you. Release control; heal yourself.
You're the hero and the villain in other people's stories, and meanwhile, the story is 100% about them. Just one more reason to let go of trying to control how people see you.
Want to change your life? Start by changing your beliefs. Better beliefs create better thoughts, which create better actions, which create better results.