Don't worry about stuttering, it's way more common than you'd expect! What I did to overcome my stuttering problem was sing. More specifically rap songs. My rap song was Without Me by Eminem. I can rap it perfectly till this day and it feels great! Google lyrics to songs you love, read the lyrics, memorize them. Then in the comfort of your own room or shower or wherever, sing your heart out! Make sure you get the words right without stuttering. If you slip up on a word keep going. What I told people in person so I would feel less embarrassed. Either I was under the influence of weed or alcohol. Or I just couldn't talk today. The excuse of being under the influence helped a lot because you can turn into a stuttering fool when you're drunk, so people never gave me crap for stuttering, being drunk yes. Lol