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As far as the bow jolting forward, you might be on the right track there, not sure what you mean by jolting though. You want the bow to jump out of your hand upon release. You don't want to grab the bow as soon as you pull the "trigger", this is what a wrist sling is for.
get a big target and stand close, aim, then pull your face away and release. slowly get your string closer to your face every time till you can have the string against your face and nose without closing your eyes. im assuming that your doing it because your scared of the bow and having the string next to your face. the more you shoot the more comfortable you will be with what the bow is doing. so practice practice practice!!!!!