Comment: Nona, take a Valium.  Please let kids be kids.  Every week, when they are at our house, our 7 yr old grandson and 5 year old granddaughter want to 'wrestle'.  The weekly event is fun for all, including their older sisters who roll their eyes in dismay.  It is simple, we have fun, no one is hurt, so please quit worrying about issues that don't exist.