It always takes two to Tango, and two to tangle. If you're unwilling to share your feelings and thoughts when someone hurts or makes you uncomfortable, they often have no idea there's a problem in your relationship.
You are every bit as complicit as they are, in terms of the pain they cause you, and you also rob them of the opportunity to change and grow. Your passivity is the kiss of death for ANY type of relationship experience.
JUST SAY "OUCH!