Numerous things that aligned like the Stars on their helmets.
I 1st started liking them when I was 8 years old, and the ice bowl. I have 3 older brothers, all they could do was go on about the Packers and Bart Star. So being the youngest I had to always be different. Go against the grain. Maybe I partly felt bad for the way they lost it too.
But I told them, GB will be has beens and the cowboys are the team the future.
So over the next year or so I started wanting to watch them. I also liked the Rams because of their helmets at the time, but migrated more toward the Cowboys. In an art class, we had to make something from stitching yarn through a burlap type material. I started doing the Rams, but I looked t it and thought...I don't like it, why am I doing this. So I gave it to a friend and I started making the Cowboys. My friend to this day is still a Rams fan.
So my mom started buying me cowboys t-shirts, and a cowboys helmet and such for Christmas, birthdays, and just when I needed t-shirts to run around in.
So by 5th grade I was officially a full blown Dallas Cowboys fan. Though it was the ice bowl that got me on the right path.
I never wavered once except that day in art class, but soon realized my allegiance.