I agree with Paul. Doesn't matter if end or side as long as you are consistant.

Also someone would have to watch youdraw and see if youtoo farin (over)or lean back. The problem also could be that you lean your face sideways or forward to touch the string instead of the string coming straight back to your anchor point.

Probably just as important is the place that you anchor you release hand. If that's consistant then the nose will be to.