Verb - describes an action

Stative verbs - describe states of being. ex. I am happy/angry/sad/mad.

Stative verbs - are used in the present simple tenses

When stative verbs don't describe a state but an action then they are used in the continuous tenses. 

ex. I have a cup of coffee in the morning.  (state)   vs.  I am having a cup of coffee now. (action)

     She has a cough. (state) vs. She is caughing. (action)