Learn an easy way to tell the good influence techniques from the bad. Why the most unassuming methods work the best. The Jedi Master tricks of persuasion.
The reason why your ideas get shot down could have nothing to do with their merit. It may do with unconscious biases we all have towards things we have not played a role in creating.
If your persuasion skills are not as good as you hoped they should be and you are not getting what you want in life, it is really not your fault and I understand your frustration. I was once in your position. You have been misled and mostly taught the wrong ways to persuade by the confusing advice out there.