I'm facing opening up a business with a friend. It's technical and I'm the tech person. I've been inundated with huge anxiety over this. I love what I do, but I hate it as well, as it's hugely intimidating.

All I can think of is the massive amount of work involved, and my friend is contributing relatively little compared to me. I expected this. This isn't about comparison, but the amount of work and possible errors in doing this work.

Anybody have any ideas how I can manage this?