Tired after an exhausting day!

I have just finished my 1 h 30 min tuition and my 2 h swimming class! It is so exhausting that my arms are aching. How I wish that my tuition is on Saturday and my swimming lesson is on Sunday! It stars at 12.45 until 6 o'clock non-stop! I have to eat my lunch when my tuition is over and guess what? I have only 10 min to finish all of it!