Can ex lovers be just friends?

Tracy • #christian#nativeamerican#sagittarius#runner #married💍 #momof3 #tryingtoconceivebabynumber4

I’m in a stable relationship. It’ll be our second time trying for a baby. Recently one of my past lovers has been wanting to be friends and hangout, go out for dinner. Do you think thats consider being disloyal if I start a friendship with a past lover? Even though we are simply friends nothing more?