I personally like to use a workout program up to about 6 weeks then change it up. Different lifts, reps, and weight. If week by week your still seeing obvious progression there shouldn't be a need to change it.

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Deadlift - 405X1
Squat - 325X1
Bench - 225X1

Golf Tee - Anyone who can bench more than they can squat and/or deadlift.