It's bad to spread germs.
Hayley's best friend is throwing a party tonight, but she's been feeling sick.
Hayley wants to experience her best friend's party.
Hayley asks her best friend to live stream the party so that she can watch from home.
Hayley goes to the party while sick and coughs everywhere.
Hayley is able to experience her friend's party without infecting anyone with her illness.
The other party goers get sick from being in close quarters with Hayley.