Maybe better advice is to not take on as identities things that you just took over from other people without questioning. Also know what the other side is think

Maybe better advice is to not take on as identities things that you just took over from other people without questioning. Also know what the other side is thinking before deciding what belongs in your identity and what not. There are things that you should believe because you are you. There are also things that should be firmly rejected. It actually takes a fair bit of living before one knows things definitively. But there is also the danger of being too open minded. One can be so open minded that ones brain falls out...