Impossible to appear confident

Impossible to appear confident Whenever I stutter , it makes it impossible for me to appear confident , Nature of my stutter is blocks mainly , so whenever I’m dealing with those blocks , my body automatically gets tense everywhere and each area of my body is clenched , my voice becomes shaky . It gives the other person the impression that I’m really nervous or just drunk. I fear that I’ll never be able to sound confident and be okay in social situations due to this. It would always gives the other person the impression that I’m timid and shy even if I’m really not. Any advice or opinions on this would greatly be appreciated.