If you observe any of these behaviors in people around you -- whether a partner, friend, or co-worker -- it's an unequivocal signal that you've got a toxic problem on your hands -- no ifs or buts about it! 1. They consistently make you doubt YOUR own reality. Better known as gaslighting, if someone twists facts to make you feel wrong or crazy, that’s manipulation, not miscommunication. Trust your instincts and know when to call people out on their BS! 2. They celebrate your failures or secretly root AGAINST your success. A real friend or partner supports you. They want you to thrive irrespective of their own successes. If someone revels in your setbacks, however, they don't have your best interests at heart -- they’re just plain toxic! 3. They cross your boundaries after you’ve made them LOUD and CLEAR. Mistakes can happen once, but repeatedly ignoring your boundaries is deliberate. Whether it's the male colleague who persists in getting all handsy or the friend ...