I think if you *look* primal at most engineering interviews, you'll put yourself at a disadvantage and are less likely to be hired. If you want to be your authentic self, that might be a price you are OK paying. If you really really really want to get hired, you're probably going to need to look conventional. So no dreads.
Zone diet on and off for several years....worked, but too much focus on exact meal composition
Primal since July 2010...skinniest I've ever been and the least stressed about food