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Paleo lifestyle and the modern world

I was thinking today about our paleo ancesters and there oppuurtunity for art, creativity and problem solving and how they best utilized free time. In a modern sense, I buy my food versus hunt or gather. Buy clothing and shelter versus making them and enjoy just about every modern convienence you can think of. Yet, at times I will feel not challenged or am I missing the satisfaction of having lived and survived by my wits and hands. I guess what I am asking is what do you do to feel like a caveman in our modern world aside from eating paleo and crossfit?