People change, not necessarily in negative ways. Sometimes goals and intentions in life aren't aligned. It's just choices we make in life. Otherwise, why aren't we with the person we were with in seventh grade?
Source: Deconstructing Kirstie, by Henry Schipper at www.livemag.com/1297/kirstie/
-- Kirstie Alley, (Jan 12 1955-____), US actress; She played Rebecca Howe in the TV Series Cheers, 1987-93; films include Star Trek II, 1982.