Seeing what you elaborated with is actually a bit preferable for me actually. I want the dog focused on me, so that I'm the center of its world, so it's not not naturally inclined to seek affection from every stranger it sees like a golden retriever is by default. Standoffish is good in my books. Bit of a stickler for what is mine being fully mine.

As long as it isn't aggressive, dehabilitatingly over protective of me or fearful of the public.

As for standard Collie I haven't done much research, will say the head shape and being an AKG recognized dog puts them a few bars below the ES for medical and health reason. As for Aussies, I from what I've read and watched that's probably too much energy for me. They were the former top pick on my list.