I shouldn't have favourites, but the other two are so good at looking after themselves and Sandy is the only one who follows me around the yard, even all the way into the scary woodshed, where the other two fear to tread. So she's my secret sweetheart.
I find that the bottom of the pecking order loves to spend time with me. Since being forced to the bottom, Aurora (name not so clever as I thought) follows me quite a lot. I do find that they like to hang ot in pairs. Perhaps she has paired up with you?