We currently have two 16 week old boys and are considering adding two more to the mischief in the new year. I know we'd have to quarantine the new boys, how long is suggested? And what kind of temporary cage do people suggest for the babies during this time?I'm thinking waiting until our boys are around 6 months before we add new babies of 8-10 weeks. Any tips for introducing boys of these ages?Our bond with the boys is amazing and I'm excited at the possibility of adding two more to the family. Silly question really but are there any downsides to having four rather than two? Thanks in advance!