For a very long time I've observed people recoiling or stepping back when we engage in a conversation which makes me wonder if I have bad breath. When they step back or rub their nose it seems as though a very bad foul smell might be coming out of my mouth and lately I've been smelling a skunky smell from my own nose or so it seems. Also, when I try to expell air out of my mouth like blowing up a ballon, it seems as though my eustachian tube is stickly and is trying to open up. Could you please advise me as to what might be causing these symptoms.

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