I'm 20 years old guy who looks like a 12, 13 year old kid. My voice has also not developed fully. Is

... it because i havent gone through puberty yet ? Will i ever? or:... it because i haven't gone through puberty yet ? Will i ever?

... it because i haven't gone through puberty yet ? Will i ever?

or:... it because i haven't gone through puberty yet ? Will i ever?

Tags:kid,fully,years,guy,puberty,