On Friday I took my first step-up's class which looks something like this..
I did with two of my friends I Gym with and they were really good at it. Because it was an advance class it was a little hard to keep up with them in the second half of the workout, so I decided to just do it on the floor without the step in some of the harder parts. I never gave up.. I was so proud of myself as that morning I think I thought of every possible excuse not to go, but I defeated the voice in my head and did it. I'm so glad I did.. I walked out sweating and red faced, it was a lot of fun and worth it..
Overall it was a positive experience and I'd highly recommend you to give it a go!!
Go on, I dare you.