People only ever sneeze, cough etc either when they have a terrible cold, or when they are dying.
When someone has a cold, they constantly sneeze, but never seem to sniff or wipe their nose.
When there is a fight, the main good guy can knock a bad guy out with one hit to the face, but the good guy can receive multiple hits to the face and not even receiving a bloody nose or black eye!
Drink nearly always results in a man and woman in bed the next morning, even if one is gay and the other is a 90! and of course they always have those famous L sheets at the ready.
They also never have duvets, just thin, usually white, sheets.
When someone makes a call, the phone never dials, just starts ringing straight away and the person picks up nearly straight away.
When someone stays in a hotel, no matter where it is, they have the best view in the world, they never seem to overlook the air conditioning units or a car park, and also seem to have a super expensive suites and not just a single room and a small en-suite.