I feel for you because that's totally me, my life, and my feelings too. I can understand the frustration! I've gotten a bit better lately because I've been working on being assertive. I honestly think it all comes down to assertiveness training. Learning how to be assertive. When you are assertive you are respecting others AND yourself. Check it out online, or you can learn how to do it in "The Assertiveness Training Book"
It can change your life!