I’ve heard that in order for this to work it is important to ensure that one of the cats is the Model M version and the other must be a Model F version. Equall

I’ve heard that in order for this to work it is important to ensure that one of the cats is the Model M version and the other must be a Model F version. Equally important, you must respond “No” when asked whether you want the “Neutering” feature enabled. This applies to both cats.