I say check the laws in your state and don't quit.  There are both physical and psychological causes for being unable to speak and if you are diagnosed with one, you do have some legal protections.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)