You can use your voice to accomplish multitudes of tasks and errands. You can listen to music, change the song while in the shower, realize you are out of shampoo and order from Prime to be delivered almost immediately.
We were all born with certain strengths and weaknesses, and our job is to hone our strengths so that we can turn our weaknesses into positive assets. You need to start living your life the way that you want to live it. Find the places in which you are the least comfortable and push yourself to not only survive, but absolutely thrive in them!