Well, what is the alternative? Solipsism?
I'm not a big fan of dueling perceptions and solipsism isn't a healthy worldview to adopt for various reasons. IME, in order for us to function we need to believe in a reality and preferably one that is real. Our
perceptions of reality and reality function independently of one another ...
.. but who knows, perhaps I *am* the solipsist and you are just a fragment of my fractured subconscious ...