Extremely eHealthy. You really should take a test; a hightened sense of smell is most definitely a symptom of early pregnancy. I suffered it myself and it contributes to the nausea. Seriously, test.
Please Advise is typically used in place of Thanks in formatting an email. It is very passive aggressive. Always assume that the user of the phrase please advise is a college graduate that follows the advice of his professors to a T... Even 15 years later..
In the business world, please advise is usually used as a polite and businesslike general-purpose phrase for asking the other party to tell, inform, notify, clarify, suggest, etc, some information or issue when it becomes available. Please advise if this answer is suitable. You get the general idea.