I used to have those same thoughts in my head. But I don't think willing to have an average life is good bro. I think you need more ambition, dream big. Self-improvement, discipline, exercise, reading, journaling, improving your mental health, stopping wasting too much time on social media/video games (you can still have it as a reward for your hard work at the end of the day), quitting porn, do something to overcome your stutter every single day, find your purpose, etc. I think that's what is missing in your journey. Maybe stuttering is just one piece of the puzzle. I can be wrong but, for me, those things helped. God bless you in your journey brother.