Pet Grooming

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So-- I just gave my two dogs a bath! It took like 30 or 40 minutes to bathe them both... I googled to see how many calories it could burn to groom a pet and it said 230 calories for an hour for a person that weighs 145. Well I weigh more like 120--so what does this mean for me?? Can someone help me figure this out?? I hate to be stickler for calories burned--I am mostly just curious! Thanks!