I have adopted to 1yr old boys Alan n pebbles. I think thet got on well art the rescue centre but since they have been in their new home (4 days) Alan always does this vibrating like noise and his fur stands ip on its back when he's around pebbles and so looks like the boss but when veg treats are offered pebbles dominantly pushes alan out they way. Are they now not getting on in their new home, will it get better, should I worry. There is pushing and shooving but no bitting as yet??