history: It sucks seeing others make more money than me. It sucks seeing others make more money than me. I totally understand that feeling. It's very frustrating. All you can do is try your best and try not to pay too much attention to that aspect.
current: That's true but social media makes it hard to be okay with my best. 
next: I think we all have our good days and bad days. Just keeping plugging along and I bet it gets better soon. It recently did for me.