Why did my order take so VERY LONG?????

Yesterday afternoon, Friday, 12th of April, just after 3pm, I ordered an orange juice & a cheese & tomato sandwich, after about 20 minutes I was so ****ed off, because it was taking so very long to get my order, eventually, at about 25 to four, my order was brought to my table, why did this take so long?, I'm REALLY NOT IMPRESSED AT ALL, order number 3468 & table ten number 29,WHAT THE ****** HELL IS GOING ON, WHY DID IT TAKE SO VERY LONG?, McDonald's, Cavendish Square, Claremont, Cape Town, you were not that busy, GRRRRRRR,, hellopeter.com, please DO NOT email me thanking me for writing a positive review, it most DEFINITELY IS NOT A problem review, very negative, how do I give this establishment like this 0 stars????