Probably not: The change of voice typically occurs during the growth-spurt of sexual maturation. Since you are 20 now--and i assume your "individual characteristics" have already occured--your natural change/deepening of voice is not likely to happen...
Answered 7/5/2012
6k views
When it does: Everyone changes when they do. You may never deepen your voice, just as some people will never be tall. Accept where you are.
Answered 2/12/2012
6k views
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