He was gruff , ex military man and had a cranky wife that he had to tell us about . <| sep |> I think it says a lot about the proArmenian side of the internet in general , that their best argument against the Azerbaijani side is ' you ' re all just paid shills and trolls and your opinions shouldn ' t be valued ! '. Basic juvenile logic if you can ' t win the argument , insult your opponent . edit Armenian downvote brigade at work 26 minutes and I ' m already downvoted to 1 . <| sep |> For single celled organisms it has to do with the ratio of volume to surface area . Since volume increases with the cube of the radius , but the surface area increases with the square of the radius , there is a point where there isn ' t enough surface area to allow for sufficient flow of nutrients into the cell and waste out . At this point , the cell will divide .