Let me put this in bold letters because you need to hear this. You are not a failure, the reason you haven't become famous is not because you're not doing enough. Before we start, I want you to find a mirror (or use your phone selfie feature) and ask yourself this question. No, well - [...]
The rhythm hand deserves some extra love! Stop telling yourself that someone will take care of the heavy lifting with guitar. Stop being the weak link in the band. Learn to play the damn guitar! It's nothing complicated, so don't feel overwhelmed. You just need to dedicate a little additional focus on specific techniques.
The first night of practice/trying is usually a major let down. It doesn't have to leave you wanting though! Read this for a few quick tips on getting the most out of a first practice/try out.
A cautionary tale to all who audibly craft!