When someone receives the energy of unconditional love, they react, usually with a body movement or relaxation. That is how you can tell if you are getting your love across. Non-forgiveness can be a barrier to giving love. If you hold resentment towards someone you will find it difficult to extend love to them. If you are demanding and unforgiving towards yourself, you will find your real love locked up and you will believe that love is just a condition of your mind.
Many people have difficulty giving themselves love.
Louise Hay suggested a helpful exercise. Keep doing this until it gets very easy and you feel happy to do it. We can now, expand on this. Contact the heart energy of unconditional love and direct it to your reflection. Then flood your whole body with it.