By Emily Mitchell/Reported by Wendy Cole

"I take the most normal things in life and spend way too much time thinking about them," says Jerry Seinfeld, 36. So who doesn't? But since the stand-up comic is also an enterprising fellow, he sat down and made his quotidian worries into a TV sitcom that will debut on NBC late this month. As creator, co-writer and star of Seinfeld, he depicts incidents that expose his most personal side. That's O.K., he jokes, because "when you're a shallow person, there's no danger in opening yourself up."