Actually reading this thread it sounds like I'm not too weird - I hang socks up in pairs, hanging everything for each person together so it's easier to put away, I have to use the same sort of pegs on an item taking it a teeny step further in that they also have to be the same colour if I'm using plastic!
I think I may be a little bit anal about cleaning as my other thing is washing up related, I have to wash up in a certain order - baby things, glassware, cutlery, crockery etc if I miss something it has to wait til the end and I'll start again in clean water!