I have four chicks, 3 pullets and 1 possible cockrel (I've had them for almost 6 weeks, but they are older than that). Two of the pullets seem to hang out with each other while the other pullet and cockrel hang with each other. If/when I have to re-home the cockrel, will the pullet be upset? Should I try to add another pullet to the flock? If so, when would be a good time to introduce? Or should I start with a day-old chick and wait till it's old enough to be hanging with the older ones? I'm waiting to re-home so that I can be positive on the sexing (either crows or lays an egg). I'm really attached to this one. Thanks!