You SHOULD NOT walk your dog 1 day after your surgery. Recovery should not be rushed nor underestimated. You must diligently follow your surgeon’s instructions and take good care of yourself to ensure your body has sufficient time to heal and look its best. Normally, it is recommended not to do heavy lifting of greater than 10 lbs for the first 3 weeks. After 2-3 weeks, you should be able to begin your light exercise routine, such as brisk walking, cycling, aerobics and lower-body weight training. So you should increase your activity level gradually such that you are not putting strain on your body, and especially your breasts. Increasing the activity level is dependent on your own perception of how well you feel. Any minute you feel an activity is causing pressure or causing you to feel a stretch in your breasts, then stop the activity. Point to note is that you want to avoid using your chest muscles. With regards to walking your dog, I am assuming it is small and if so then it would be okay to walk it after 2 weeks. But if you have an excited dog, then any aggressive tug by your dog may compromise healing of the breasts. Hence, try to avoid walking the dog as long as you can. After 6 weeks, you can walk your dog worry-free. If there is no one to walk the dog, and if the dog is trained to walk off-leash or if the dog does not have a habit to pull on the leash, then it may be okay as long as you are able to walk. Again, I highly discourage it. Please call and discuss this with your plastic surgeon. Their instructions should take precedence as they are better informed about your surgical details. Hope this helps