The pups will settle down and establish a ranking. It would be so much easier if they didn't feel breaking potty training was necessary, but it *will* pass. Mika may have a few "abandonment" issues to work through.
How long will your daughter be gone? And how are YOU doing with "abandonment" issues

? It's hard when your children go so far away. Remember that webcams can ease the pain a bit: at least you can see and talk to each other in real time. And they're not that expensive; you can get them under $50 if you look for them. But you need a broadband connection. Japan is well wired