I have a deep but small voice, how do I make it bigger without my voice becoming small?

I was in class and this girl a couple years older than me was helping this guy I talk to in class. I looked at her and saw her roll her her shirt so it showed her stomach and belly...

I am very concerned. I went to use the restroom (urinated first, then had a bowel movement). Afterwards when standing over the toilet frontwards again, I see what looks like semen ...