Keep up the good work, Greg!
Bob, I would suggest a week or two with a trainer to give you an idea on split routines, equipment function, different ways to increase intensity, and a multitude of other things. I think it gives you a good base to work with. I personally believe that one should be able to motivate themselves once at the gym, so I would only recommend the personal training for a short period to learn and develop that base, and then train on your own. But everyone is different, and I'm for whatever get you (and keeps you) in the gym.
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Thanks Dave, Julian, James, Kelly, Peter, Gerry, Dave, Mo, Frank, Týr and Mr. Mark!