I have this weird thing that I like/have to do when people give me flowers: I sort them by colour. Anyone else? Just me? Ok then.
I just can't help it. I think although they look lovely all together, they look so much more... organised when I ... well, organise them!
Getting several bunches out of one big one also means I can scatter them about the house for maximum floral impact. Like this (and no my desk isn't always this tidy):