is love an energy or a mental concept like time or space?*

she said, "my love is as boundless as the stars."
i said, "my love is not bounded by the speed of light."

she said, "my love is as deep as the ocean."
i said, "my love does not depend on points A or B."

she said, "my love is more powerful than the sun and shines much brighter."
i said, "my love is not subject to enthalpy or entropy."

she said, "i love you."
i said, "i love you more."