Did anyone can teach me hw to train a big size rottweiler? i got 1 7months old puppy, she is call yuki, she so active & palyful, always like to play my another 1 9months dachshund, nw the dachshund is pregnant, so she cant play with her, then she paly with my another 2 more 1 month pupppies, but accidently yuki make the 2 youngest die...so hw to train yuki not too playful? she like jumo on me & hug me wen i go home, but she is heavy & i cant hold her... Pls teach me wat to do