The honour of parents is a fair and noble treasure to their posterity, but to have the use of a treasure of wealth and honour, and to leave none to your successors, because you have neither money nor reputation of your own, is alike base and dishonourable.
We are born and reborn countless number of times, and it is possible that each being has been our parent at one time or another. Therefore, it is likely that all beings in this universe have familial connections.
Children start out loving their parents, but as they grow older and discover their parents are human, they become judgmental. And sometimes, when they mature, they forgive their parents, especially when they discover they are also human.