Sometimes you just have to accept that some people are shitty humans and stop trying to see the good that isn't there. - It's takes a lot for me to believe someone is a shitty human being, but once I do, I'm done.
I never knew you could be so disappointed in another human being. Just when you get to the point where there's not much else to be disappointed about then bam they do something else to show there is really no end to that person's failure as a human.
Users and Takers are a bummer but a part of life. Lower your expectations and you'll never be disappointed with the negative aspects of human nature. Stay true to your goodness anyway. Good actions manifest into good lives.