Pms mood

Just now scold a student for not doing homework despite countless reminders and warning. Thanks to my pms mood, i finally scold him today. Normally i used the soft approach, but its really too much. Keep ignoring my homework, and give all the rubbish excuses. Waste time. Got time sleep, got time play, got time do other subject homework, but no time do mine. So today i give him double the amount of homework. See if he finish them by wednesday night. If not if i am still in pms mood, i will give him another scolding.