It is correct, the correct answer to complete the first sentence its estás, and the first word to make that sentence correctly written is cómo, in the word (cómo) its means How, to get an answer of what is the kind of mood the people is feeling, and the word (estás) is for the subject, in this case is to say it directly to the person you are talking to and must be a singular one, diferent of the (ESTÁN) spanish word for plural.