Train to hit the ball further by swinging something light like a shaft as opposed to a heavy weight, this will help increase your swing speed
Make your practice more difficult than what you would normally experience on the golf course
When faced with a tight lie in the fairway a three wood might not be the ideal club because mentally you will try to lift the ball, use a five wood with more loft, you do not have to use the right club for the yardage you must select the right club for the situation