Some can get pretty close too . <| sep |> Oh in combat they would be roughly equal , I was referring to the long haul , I wouldn ' t think an average city goer would know how to tell the difference between drinkable and undrinkable , how to start a fire and keep it going , how to cook food over a fire , etc . <| sep |> For true realism , assume the gif isn ' t looping and this is a video of an actual extended conversation . <| sep |> Sounds like we agree on the basic issues . <| sep |> your claim is 100 % not true , you can definitely miss <| sep |> I have to disagree . Optional lets a user know that an element might be null , and it ' s reference can also suffer from being null itself if you don ' t use a reasonable IDE . Nonull and Nullable actually are more explicit .