HI I HAVE 2 LITTLE DOGS USED TO TOILETING IN GARDEN,BUT BOTH ARE USED TO ME TAKING THEM OUT EVERY FEW HOURS DAY AND NIGHT AS DISABLED WITH PAIN AND CANT SLEEP,ANYHOW THEY ARE AFRAID OF RAIN WONT GO OUT IF RAINING,SNOW OR REALLY COLD AND WINDY SO MESS INSIDE,I HAVE TRIED LITTER BOX INSIDE BUT...