Re: Breaking 90?Don't worry, friend, breaking 90 isn't hard. You will do it. It took me a couple of years of trying, but once I did, it became easy.
For some perspective: I'm currently an 11.8 index, and I break 90 about half the time or a bit more, and my lowest scores are low 80s. I've broken 80 twice in my life. I almost never shoot over 100, but usually do it once or maybe twice in a season. I play 90% of my golf on a 6700 yard course with a rating of 73.1, slope of 135.
Breaking 90 depends on many things, all of which have been touched on. You have to keep some detailed scoring for a couple of rounds to see where you're losing the strokes. It could be putting, it could be driving, wedge shots, etc. Golf Digest did a nice piece on this, and you can access it at their website. You need to work on your specific deficincies first.
In general, breaking 90 can be done with pretty lousy ball striking, provided you don't have blow up holes like 8s and 9s. One way of looking at it is that bogey is your "par," so every par has you "one under" and every double is one over.
The advice to play conservative is good for hard holes, but for easy holes, you have to be careful not to be too conservative. You generally aren't going to avoid doubles and triples altogether, which means you need a few pars to break 90. To do that, you have to play aggressively on some holes, and it's best to do that on the easy ones. In other words, taking a chance with a driver on a long hole with a hazard or OB because you think you need the distance of the driver is stupid. On a hole like this, you can play 3 7 iron shots if you want and if you're lucky still have a par putt, and generally bogey or no worse than double is assured.
But on some holes - maybe a short hole or something downhill or wide open or whatever - you need to take a chance to give yourself a short approach and a shot at a birdie putt.
But really, go to golfdigest.com and check out there website. Track your scores to determine your long game and short game handicaps, and then work on your weaknesses. You'll be breaking 90 within a very short time if you do, I promise.