I'm not sure what Wesley's deal is, but he loves to chew at our carpet. We keep it cleaned well too. The only thing I can think is that it's 10 years old like the house, and the previous owners had two dogs as well. Even though we've had the carpets cleaned twice in a year and a half already. Or are there just food crumbs in there under the carpet he smells? I don't get it. Anyone elses dog do this? Wesley is just 12 weeks now.