Back in 2023, a student was caught in possession of an e-cigarette. She defended that most of her friends smoked it and she followed. She knew it was wrong as the vaporizer contained nicotine. On the other hand, she felt no harm in puffing it. I noticed there was a rising number of confiscated vaporizers in class. Some school staff recommended putting up signages along toilets and bus stops around school premises. At that time the authorities adopted a wait-and-see approach a