HELP!!!!!! can anyone advise me please, i have 2 dogs both bichon frise cross shih tzu daisy is 3 and joey is 2, the problem i have is we have recently moved house and no longer have a garden only have a back yard (concrete), and neither of my dogs will pee or poo out there, my command is 'do a wee wee' and they will always go, however since moving i have tried to get them to go in the yard and when i say command they just stare and me and sit down and look at...