Whether you choose to believe it or be sceptical of it we are all subject to the universal laws of attraction. It is like gravity, electricity or magnetism. It cares not what you think of it. It just does its stuff.
The simplistic explanation is that in terms of energy, like attracts like. The science of it, which is quantum physics is that everything in the world, and the universe, is made up of energy.
Remember Einstein’s E = MC ^2
Energy = Mass x Speed of Light Squared