I'm going to fake cough at disney
Why would you start fake coughing?
Other people will think I am sick
You shouldn't be doing that at a public place, or really in general.  Faking being sick, or faking in general to be honest is wrong.  Imagine how uncomfortable you'd be making the other people there if you were stuck in line with them coughing like that!
Fuck you, I have right to do what I want.
I'm serious, you are going to make someone really upset if you are coughing everywhere.