Give a man a fish and he will won’t go hungry tonight. Teach him how to fish and he will never go hungry again, or something like that.
I could offer some Photoshop tutorial that was helpful to me solving one particular problem, which, incidentally, you likely already know how to solve, or I can link this helpful article on how to manage stress. That way, instead of tackling just one specific problem, you can blast through any without stress and anxiety, which is usually my number one obstacle.
Here it is: http://www.forbes.com/sites/jennagoudreau/2013/03/20/12-ways-to-eliminate-stress-at-work/