Isn't it true that when someone is full of gratitude for our presence or for something we did for them, it fills us with happiness and satisfaction and makes us want to give them more?!
The universe works in the same way.
Just as we have no desire to be around a disgruntled person who just complains all the time and doesn't appreciate the good in his life and makes us feel bad, the unvisable beings around us are affected by the frequency we emit.
When we learn to be grateful for everything we have, removeing from our lives the feeling of disappointment and negative emotions, stop grumbling and complaining, and live with gratitude and absolute certainty that everything is working in our favor, the universe will reflect and respond to us accordingly.
Yesterday I felt that I internalized this understanding.