OP , we stutters always face people who doubt our abilities . And there are times we are at a place with lowest self esteem and low self confidence. And that is NORMAL for stutters yet we achieve a lot. I bet president elect Biden also feels the same even now . Even though we fail some , we win some . All you need to focus is on the next move that will make you successful. As other person said in this subreddit we play this life is hard setting .