Cantonese your mother not responsible for own hygiene and has chao serng bye so proudKNN we are responsible for our own hygiene. As a matter of fact my uncle smell his lampard and birdie after every bathe by rubbing using fingers then put at nostrils to make sure is clean unlike you KNN didn't know own bye is chao serng till now KNN
Most likely the reason is you dare not smell it due to too smelly then you rather make people smell yours KNN