One thing that stood out is when you said:
"When I tried this two years ago, I did very well for awhile, but then I eventually grew bored and frustrated and reverted back to my old ways."
If you only worked at fixing everything for 17 days, that should be the first thing to recognize. We all have the need for instant gratification, and it sounds like you were bored for 2 weekends, and then threw in the towel.
Give it a go for at least 90 days before you declare life to be boring and sobriety too much work!