At the end of the day, training has got to be enjoyable. Even for my professional athletes who do this for a living, I find we have to keep things fun and interesting. So pick a goal and get focused, but always remember to have fun!
If you're measuring your success and personal happiness on the scales, you are doing it wrong. You will not succeed in changing your lifestyle, or being happy when you're still pinning your hopes on losing ten pounds the second you make a couple of lil' lifestyle changes.
We all have that 'last' bit of stubborn fat that just won't respond to dieting. Almost daily I get a question along the lines of "Help! I don't need to lose any more weight, but I've got this (belly/thigh/butt/arm/back) fat that just won't budge!"