This is a test of commonsense. Complete the next sentence:

How to raise ferrets together
Pick out a bonded pair.
If you're purchasing or adopting multiple ferrets at once, visit a pet store or shelter to choose a bonded pair. These ferrets will already get along, so you won't have to deal with introductions or socialization issues.
Ask an associate to point out ferrets that are already bonded. If you can't find anyone knowledgeable about the ferrets at a facility, look for a pair that's cuddling or playing together.