Don't allow anyone -- from your closest friend to your worst enemy -- to step all over you. No matter the circumstance, you are as deserving of the other person's respect as they are of yours. If you're in a relationship with someone who thinks they can run roughshod over you because you've spoiled them rotten, it's time to establish new ground rules or get out of the relationship. Otherwise, you'll continue to be taken for granted. Similarly, if your friend seems to remember you exist only when they need something, make it clear to them that there is no such thing as a friendship built on selfishness. As with relationships, both people should reciprocate time and effort. If your toxic boss is convinced you'll put up with anything just to keep your job, prove him or her wrong by arranging a closed-door conversation. Impress upon them that they have absolutely no right to treat you like garbage, and hint that you'll take your skills and experie...