"A feelling that students and workers get around the time of May. Freed from entrance exams or the burden of finding a job, they start to express a feelling of let down or loss of purpose. They become disillusioned and begin seeing the gap between reality and what they were hoping for. all these things cause them to fall into a mild state of depression."(taken from Sgt. Frog volume 7) can be cured by showing them to apreciate what is in front of them.
1st guy: man i feel depressed.. i think i have the may disease.
2nd guy: Dude... it's october. you need a therapist.