Flagging this afternoon

Well today was a challenging day - students have been hard work all day so as you can imagine by 2pm I was flagging, lucky for me I had a red bull in my draw at work which got me through the rest of my day!

Finished teaching at 4:30 and had to go straight to my maths course which managed to mash my head even more!! I am currently wondering if I am doing the right thing by furthering myself at the mo as this course is causing many a grey hair! And at the age of 25 I should not be supporting grey hairs!!