i have a westie who is 5months old,and he has been with us since twelve weeks old,we have just had a  black scottie from the same breeders,who is one day younger than the westie,they seem to be copeing ok ,no signs of jelousy!,has anyone had these two breeds together,and is there problems ahead,one is quite but outgoing and full of energy (westie) the other loud nervous and lathargic,is this normal ,or could i have got it wrong!!.
                                                          Many thanks
                                                                     Steverobo