Rebel T2i and Movie Mode Issues

I think I've mentioned before that I consider myself a professional photographer at this stage of my progress (9 years of study/training/work).

I recently got a Canon Rebel T2i, which I love working with. However, the Movie Function wasn't working right. First I had trouble figuring out how to record, then when I could record the movie would stop after a few seconds. So here is how you can fix those issues: