LOL....YES!!! And everytime I have to get up, follow Max to the front door, pick him up and open the door, show him that there's nobody there (actually, I tell him that he scared them away and he's a very brave dog, LOL), and only then, does the barking stop. He also does it if I forget and leave the television on and that game show Price is Right comes on...there's all that dingdingdinging going on and it drive him (and ME) NUTS! I always try to remember to turn it off before that show comes on, but I have the news on that channel before then and I forget...until I hear the first "ding ding ding"....and then it's too late, LOL
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