Why don't they consider cutting back on retirement benefits for congressmen and senators?

I know the real answer, but do you have any comments? All this talk of making financial cuts and never is the $300,000 annually for the rest of their lives after retirement or not being re-elected mentioned. Not to mention those who have had several offices and, as I understand it, getting the retirement benefits from each position. Please tell me I’m wrong, if I am. It would make me feel better.