I don’t think I deal with it very well, although I’m fortunate to not stammer around strangers as much as I do around family and friends. I also have good friends who don’t give a shit if I get stuck. On the other hand i can get so worked up when I can’t say stuff which doesn’t help so it’s a vicious circle. I’m in the process of slowing myself down again and taking deep breaths and learning to control it. I think the speech correlates with your mindset