I have already had two mugs of (Tassimo, for ease) coffee...

I have already had two mugs of (Tassimo, for ease) coffee, at least 300ml of Red Bull (I forget) and 710ml of Red Bull Cola today, and nothing is keeping the yawning and blah at bay. So I've just dumped 100ml of The Black Blood Of The Earth into 250ml of hot coffee, and if that doesn't work then it's jumper leads to the balls