Showing kindness can be a double-edged sword. While it is the morally upright thing to do, giving too much puts you at risk of being taken advantage of, even by those you trust most.
A woman learned this lesson the hard way after enduring years of manipulation from an old friend. She had been taken for granted since their college years, which, at the time, blinded her to realizing how toxic their relationship was.
But after waking up to reality, she carried out a brutal, petty revenge plot that seemed to put her at peace.