There are some big fancy quantumy terms to explain this, but the basic gist of Pauli Exclusion Principle says that two objects can’t occupy the same space.
Pssh. Tell that to this guy:
Doesn’t matter that you’re all the way from Mars, either. If you got atoms, which you totally do J’onn, you are exactly the type of humanoid that is not phasing through stuff. Don’t give me vibration or frequency juju either, I don’t want to hear it.
Thanks for stopping!