You can alter movie singing so much because you go into the recording studio and just technology for recording has gotten so good you can hold out a note and they can combine a note from take 2 and a note from take 8.
One of the hardest questions I have been asked is 'How will you manage the army if you are having menstrual cramps?' I have also been asked if I will have the courage to face criminals. My answer is that courage is not a matter of gender.