Confidence is the key, i think. If you stutter, but are confident, it does hardly matter. Luckily my stutter nearly vanished after i passed the tests to become master craftsman, and it's like that for the last few years. I never really had the confidence to ask a girl out, tho. I was one week every day at the hypnotherapist, 8 hours a day. I don't remember everything (that was nearly 10 years ago), but we also had group sessions were everyone was talking and we had do make breathing exercises. Thank you, good luck on yours, too.