Sad!
My sons are addicted to game but I do check on them. I rip their laptop off their cold dead hands and hide it until they weaned out of their "cold turkey". I suspended my youngest son his privilege to use my laptop for a month because he disobey me and my wife for not cleaning up his room when we asked him to when he snuck back to play game.. My oldest son sometime look for his laptop around the house when I ripped it away from him. I would keep it in my workshop because he doesn't know how to look deeper cuz I have junks piling in garage. Now both of my son is better now. He comes down and be with me most of the day without resorting to his laptop. He know that I'll rip it away if he don't obey.
There are some routers such as Asus RT53U have time setting that you can set to disable kid's network after 2 or 3 hours of online gaming. It allows up to 3 guest account that have time block of your choice. Which means that your main SSID would have to have different access password or change SSID and "hide" it so kids won't be able to find or hack into your SSID to have unlimited gaming time. It's a very nice router. ONE exception!!!, if kids are smart enough to do pinhole reset... you're ruined unless you outsmart them by either removing or relocating reset button inside of router
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I can't believe that his parent don't even bother checking their son for 4 days!! That's rather scary because they either are just being busy or assume their son eat on his own without them knowing it. I must admit that parents are being way too lenient to their children. It seem that in my neighborhood, I'm one of few strict parents and rest of neighborhood parents are "loose cannon". My daughter had been complaining about them letting kids stay up late how ever they want, let them do drugs or alcohol and sex in their room. She despise them because they don't show love and discipline their children. It's damn scary cuz It's an upscale neighborhood I am living in!!! I had faced their parent and told them of their daughter's/son's involvement, they just shrugged and gingerly nag at them. What's wrong with those people today!!
If kids became addicted to game and being a hardcore, Just rip their gaming console out of their hand and sell it at Pawn shop or Craigs list. Kids would go cold turkey and if they want to go over their friend's home, just tell them no period and notify friend's parent that your kid cannot come over not even unannounced visit either. Just tell them to send your kids home. Kids would be angry but try to take them out to movie, parks, fishing, camping or any activities that can wean them out. If not then send them to boot camp.. Or send them to counseling session about their gaming addicition.
Sound harsh isn't it, that'll teach them a hard lesson about responsibility and common sense.
Catty