Aloha Rachel,
Instead of looking at the emptiness as a "not including that, or that, or that.." experience where you are isolating yourself, lets flip that around for your and look at it from the password: "I am in the universe, The universe is in my body..." There are
a lot of things in the universe - you are a part of and not isolation from
Now allow yourself to be in and a part of all that. Let go of trying to wrap your mind around it, and just be in appreciation of it. Connect with the love in your heart and the universal love out there.
Now just be in that space and bring your focus to your exercises or mediations and the feeling of the energy while doing them.
Much Love, Shawn