Many of us have convinced ourselves that we are able to break our own personal rules “just this once.” In our minds, we can justify these small choices. None of those things, when they first happen, feels like a life-changing decision. The marginal costs are almost always low. But each of those decisions can roll up into a much bigger picture, turning you into the kind of person you never wanted to be.
Want to Become the Best at What You Do? Read this.
Benjamin P. Hardy

Can really relate to this in a lot of ways. One example is: I never wanted to be in a 9–5 office job. I said that’s not me and I’d never do it. I finished my degree in 2012 and have been in a 9–5 office job ever since. It’s not that I’ve not been trying to progress, I’ve never stopped trying, but it’s just not happened yet.