If You are using Your voice, then you should train it. Just think how much Your voice is say, not just in words but about your inner-game.
If your scarede by the HB10, then your voice tell it.
To train your voice the most importen things is a voice-recorder.
Start by taping you voice.
Do it 10 times. Try to sound like you are a black soul singer. I'm a white guy from denmark.
Find a copy of "Sound of Your Voice - Carol Fleming"
1: Make your voice deeper. Like a soul singer.
2: Speak slow. I'm a man. I'm used to people wanting to hear what I say.
3: Pause..... Don't say "My name is Spellbinder". Say "My name is ...... Spellbinder." Try and the girls will wait for the last word.
And I think, they are thinking about all the things You maybe about to speak.