There is so many dogs in the world.  But here is a short guide to loving your dog at any age.  Puppies have loads of energy, they like running around and playing.  Remember they are still young and do not get angry about everything they do wrong because with training and time does accidents will disappear.  Rules are the best thing for young dogs like puppies because it makes them feel like they are part of the family.  When they are middle age, they have experence and can be very good with you.  They love to remind themselves of being a puppy and they love to play.  Feeding them, talking to them and giving them baths time to time is away of giving them your love.  When they get into there senior ages, treat them like royalty and give them lots of love.  What ever happens to them, remember they are old and they should be treated with respect for there age.