How to regain lost confidence?

How to regain lost confidence? First of all i know every one can agree that low confidence is not the innate reason people stutter but low confidence actually make stuttering worse I know my stutter may never heal but I still want to accept or if not ,atleast have the confidence to speak with them and not lose desire to connect with people and just become a neet and a shut it. So please if anyone has some tips to accept ones stutter and regain some lost confidence please mention below.