When Jonathan Taylor Thomas (otherwise known as JTT) left Home Improvement, our preteen hearts shattered into one trillion pieces. We would never know heartbreak like that again (or at least not until Geri left the Spice Girls or when the Backstreet Boys went on hiatus).DisneyAt 16 years old, Thomas was leaving an insanely popular television show in order to live a "normal" life. While others may not understand his choice, JTT says it was something he had to do. āIād been going nonstop since I was 8 years old,ā the teenage heartthrob said in 2013. āI wanted to