True Love

At what age does a child realize what love is? Last night at dinner I saw a two year old express love towards his father. We were sitting in a restaurant with my son, daughter in law and grandson. They were seated across the table from me, all in a row. The baby was in the middle in his highchair. Out of nowhere, he wrapped his arms around my son's arm, gave a big squeeze and looked up at him with a huge smile. He then rested his head on my son's arm, still hugging it. In that one gesture, I saw so many emotions. I saw love, safety and happiness. I wish I had taken a picture. Even though I didn't, the snapshot will remain in my memory forever.