You can't really get your tone of voice across in text.
What looks like anger is often no more than weary impatience.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Wed 3 Jun 2009, 17:00, archived)

i will adjust my reading of your posts accordingly

( well, Wed 3 Jun 2009, 17:01, archived)

<s>weary impatience</s>
bitterness
( Neptune A dole queue dosser and foul mouthed chav., Wed 3 Jun 2009, 17:16, archived)