First, congratulations on a dog! Second, congratulations on choosing the right dog! Far too often I see people choose the dog they want and not the dog that's best for their life. A lab is possibly the most flexible breed; they love to play and romp around for a few years but slow down pretty quickly and become affable big ol' lumps of fur if you're not able to keep them exercised as often as you should. One thing I advise is that if you live in an urban area, get that dog out to the dog park regularly once he's big enough to go. Dogs need to be exposed to other dogs to learn how to socialize and not freak out whenever a strange dog is present. Go at least a couple of times per week but consider starting during slow times at the park so the puppers isn't overwhelmed by a horde of much larger dogs who will swarm any new animal. Once the little guy gets used to the atmosphere of the park where he'll meet all his newest, bestest friends, you can take him to the park any time and he should be fine. And do the same for kids, even if you don't plan to have any yourself. Luckily, you're working with a lab so like socializing with other dogs, normalizing kids with the dog is an easy task. It's a bit more challenging with something like a pitbull (great dogs but naturally more dog- and kid-aggressive... not a problem if you take care of it early, though, it just requires a bit more concentrated work to get there). Children move very differently than adults and it freaks out a lot of dogs. Kids are all arms and legs flailing without the fine motor control and it can put a dog on edge. Dogs rarely bite out of anger, far more often it's entirely fear-based and a response to perceived danger. If you expose the dog to kids at a young age and get them used to the weird movements and let them realize that kids are just harmless playthings that will romp around with the animal, it'll chill out and probably be okay with even the most unruly kids it may come across in its life.