Hi , Mark!
Welcome! Also, congrats on fatherhood!
Just talk to your crossfit trainers about being new to paleo and PB. Most crossfit trainers are very familiar with both ways of eating and can help you through the adjustment to it all. In fact, a lot of crossfit gyms recommend a paleo, or paleo based diet.
But by all means, if you're excited about it, go! Lift heavy stuff and kick butt!
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