In Life, you will meet all kind of people that you will have to deal with. A very infamous type is toxic people that stroll in your life whether you invited them or not. Toxic people see life in one negative view after another. They see mistakes, all failures, and just about everything that is wrong with a situation and never what is right. There is no way to avoid this in your lifetime, so do the next best thing and learn actually to deal with these type of people. Rule of thumb is 'NEVER GIVE IN' to them no matter how they act or what they do.
You first need to understand that they are one of the most difficult people to deal with. Why? Because they do not want to hear anything you have to say has they have already made up their mind about the situation. Do not expect any better from them because they are who they are 'toxic.' Adjust your expectation of them and just wait and see what they are about. Their actions can sometimes surprise you even after you prepare yourself so never let them in on how to feel base on their activities. You above all else want to make sure you create an emotional distance between you and them. If you get to attach remember how these people have a negative view of life, they love to push that view on people as well. Just take a deep breath and let them go head and talk.
They may say things that could push you to anger, but never give in. If you start to argue and get into it with them about the topic, then you will end up frustrated and angry in the end. Remember this is only a problem they are having, not yours because you have no arguments about the situation.
In the End, let them finish what they have to say if you are stuck talking to them. Let say they have already in the conversation with them, and they are going on allow them to continue talking. Be very careful not to respond to their negativity and just let them go on. Do not interrupt them as you could escalate the matter and give them the excuse they need to blow a fuse completely. Keeping calm will allow them to hear their thoughts and realize that they need t dial it back and cool down. When they have stopped, you have the option to deal with them in some ways. You can try to talk to them and reason, this may backfire on you and get them started again. The best method usually is to remove yourself completely from them. In life you want to grow and achieve your dreams, that means removing toxic people from your life. Never give these people the opportunity to impact any situations in your life, the worst poison in your life is someone that consistently bring you down, get rid of the negativity and grown in life.