The answer is to figure out who owns that head you live in and take control. Throw out all thoughts you consider unprofitable and make it think thoughts you consider more beneficial. It's called responsibility. Take it, it's yours!
you should not block them, but if you feel sorry just don´t chat with them. And when they try to tell you something you don´t want to here just tell them ¨ not right now please. ¨
