Proper socialisation is the most important thing you can do with your puppy until he is 16 weeks old. Inadequate or poor socialisation is something your dog may never recover from. Here are a couple of videos discussion what to do and what not to do.
Glasgow Dog Training By Dog Behaviourist John McGuigan 
All great stuff apart from that big fat lie at the end about the weather in Scotland! 🙂
True about the weather, it’s always tropical here.