هذا كله آتى من بروفسور أستيقظ في ليلة لـ3 ليلال متواصلة لأن جوال زوجته يطنطن لأن بطاريته فرغت
This all came from a professor waking up at night to the third night in a row that his wife's cellphone was beeping because it was running out of battery power.