as a yuf I went for a job as a milkman and had to sit an exam the 20 questions were like the following....arrange the following numbers in numerical order 7,4,9,8....tricky I know, another was if you are 6 years old and you sister is twice your age how old will she be when you are 10.....duhhh, I got 100 % and completed the one hour paper in 8 minutes, didn't get the job cos they said I must have cheated cheeky fukkers lmao........this exo is very good its got a 3 week cure and has turned that lovely golden green and smells fruity and spicey