What is the worst thing parents can do to their children

In my opinion the worst thing a parent can do is not respond to their child, not give them the love and trust that they need. Its very hard for a child to get or have the love and nurture that they need from their mothers. Its important to have the love from then because then they either go looking for it someone else or they grow up with conflicts inside them and being very quite. I honestly think that a mother's love is something that our souls, body and mind really need. As life continues though, we learn to survive with out it and live a good, happy, normal life. Things sometimes get old, and living with out their love is something sometimes, we have to learn to do.