Dog in chinese zodiac ?

Just start chatting with Samantha , then she start to make to laugh so much with this ...she ask me what is my Chinese zodiac then i say dog . this is how it continue ...
Samantha    ' GD says:
*GOT DOG MEH?
*LOL
     Jo.     says:
*got huh
*2nd last
*be4 pig
*is dog
   Samantha    ' GD says:
*ouh, so dog got take part in the competition lo.
*haha
     Jo.     says:
*wth
*yeah la
*lol
   Samantha    ' GD says:
*but the dog go take part in the competition for what sia?
     Jo.     says:
*lol
*i dont know ?
*haha
*you so funny lei
*i going post this conversation on my blog
   Samantha    ' GD says:
*funny then you never laugh, lol
     Jo.     says:
*i am laughing hard huh
   Samantha    ' GD says:
*LOL
*i cant believe that dog actually is in the zodiac
*lol
     Jo.     says:
*why ?
   Samantha    ' GD says:
*okay, i think really got dog.
     Jo.     says:
*dog is cute huh
   Samantha    ' GD says:
*gou nian mah. GOU. haha
     Jo.     says:
*of cos inside
*lol
*haha
*got dog
*:D
   Samantha    ' GD says:
*you know why fish dont have?
     Jo.     says:
*because fish cant run ?
*o.o
   Samantha    ' GD says:
*no
     Jo.     says:
*then ?
   Samantha    ' GD says:
*if they go out of water will die what
     Jo.     says:
*... okay ...
*haha
*agree
*:D
   Samantha    ' GD says:
*but actually they stupid one lo
*die alr go heaven right, can reach the race thing faster mah
*if the finishing line is at heaven there la. i think?
*hhaha