I previously wrote about the importance of distinguishing between passive, aggressive, and assertive power.
It is fucking hard to be assertive when confronted with people trying to push or force their preferred outcomes.
Read and retain these 10 features of why you must be assertive. Consider it a duty to know your value. You should not let people treat you as lesser than nor should you feel entitled to grandiose treatment. Aim for the healthy, middle way - click here for science on this topic.
I offer this list of 10 rights so that when interacting with others you do so with full acknowledgement of your immense value.