Your goals should be aligned to your ideal life. If they're not, ask yourself why you are even considering putting it down on paper and committing to it.
Sage advise. How many of us are doing that? Do you have a particular retirement in mind? Maybe live someplace different from where you do now? Are you taking any steps towards that? Do you even now where there is?
How about your job? Do you love it or is it just a paycheck? I was watching the movie "Up In The Air" on a plane ride this weekend. George Clooney's character is someone who fires people for a living (as part of outplacement services). One person he was firing was going off about how he was too old and would have trouble finding a job in that industry again. The company's line was to have people think of the firing as an opportunity to start over. Turns out that the guy was a trained chef, but did something entirely different for the last 20 years, because it paid well. Clooney's character point this out and asked him if he really wanted to stay in a job that wasn't something he loved doing. Is that you? Are you doing something that isn't part of your dream?
Obviously I could cite many examples, but I'm sure you get the gist of what we're talking about here. THINK about your goals. Refine them. And then take steps towards achieving them. One step at a time...