Percy is sowing a seed that his grandaughters and his sons may lived a wonderful life. He is such a wonderful example to all of us when we will become parents as well.
Haha, all GrandDad is like that. that meant they secretly loved and cared for you (at least that's my Asian thought, but sometimes they said western parental is different, I witnessed myself as I stayed in US for two years and how relationship of dad and children are totally different with Asians).