Reading the following part itself was an epiphany moment:
"...having one epiphany after another, always thinking you've finally figured out whats holding you back and how you can be productive and creative..."
Because I saw myself in that. I thought "Holy crap that's exactly...that's...so true...that's me! That's the problem!"
Then I thought "Damn it, the problem is that exact problem...Right now is just another one of those epiphanies. I need to stop this."
Which led to the thought "But how would I have become aware and known that was the problem if I hadn't had this epiphany?"
So the ultimate question I have for myself is: "Will this epiphany be any different? Maybe it actually can snap you out of the cycle."
So to ensure it isn't just another useless epiphany, I will tape this quote from the comic to my wall: "That cycle of mediocrity isn't due to some obstacle. Its who you are."
Thank you XKCD. You've woken me up.