Do think every time the Sun returns to our sign that we become more empowered by the traits?

Yeah! I totally understand the question. I actually wonder that often! When ever the sun rolls into Scorpio, the world seems so awesome and stuff. I can't really explain it. But that's how it is. It may affect us just as it did at birth. Now, the whole becoming more like your traits thing. I don't think it will change that. I think your moon and other signs may have a big impact on you.