Patients testing my PATIENCE

I have been faced with a relatively new dilemma. I realize that this is nothing new for the many nurses who have gone before me, but it's new for me, and frankly disappointing.
The other night I took care of a patient that was disrespectful, inappropriate, and manipulative. Part of me wanted to put him in his place and say something that would really insult him, and the other part of me fought to maintain my composure and be sympathetic to his situation. There was clearly more going on than the admitting diagnosis.
The most upsetting part of the whole situation isn't that he was completely rude, but more so that his conflicting words and actions made me question everything he said to me. I want to believe people, I want to tend to their needs, and go above and beyond for them, but he was clearly taking advantage of those characteristics. I can't help but question how this patient will influence my care for future patients. I will probably question what they say, and watch closely to see if words and actions line up. It's clear why nurses and other health care professionals reach a level of burn out. Yes there are the long hours, too many shifts in a row, and taking on more than you probably should because there is no one else......but what about the straight up BOLOGNA from the patients. It's no wonder nurses begin to form a thick shell of sarcasm, become cynical, and frankly get a little mean. I wish people weren't always trying to work the system. I wish people didn't act like everyone else owes them in some way. I wish people understood that things cause pain and it's usually impossible to completely get rid of it 100% of the time.....and the list goes on.
I guess I had some sort of naive assumption that my patients would be truthful and genuine and that we would work together as a team to return them to their optimum health. I am still holding on to the idea that this is true for most patients, but in the crowd are hiding a nurses worst nightmare to ruin it for everyone.
I know this is all a constant learning experience, I just hope the experiences don't change why I started this journey, and the kind of nurse I want to be. Hmm.....