There is a web site that does that for you for those who don't have a nearby friend that fits the criteria. It's called http://stickk.com, created by a couple of Yale Professors. I have no connection except that I used it to start my exercise habit last year.
There is a web site that does that for you for those who don't have a nearby friend that fits the criteria. It's called http://stickk.com, created by a couple of Yale Professors. I have no connection except that I used it to start my exercise habit last year.