Sure they're stretching it... I mean, after 15 or 16 years, it's a matter of maintaining a long-term relationship. By that time, you know just about all their is to it. Sometimes you may have to remind yourself to appreciate the little stuff... like Homer toking a stick of butter!
Yeah. THe simpsons have survived so long because they stay teh same. The kids dont grow, They dont run out of relationship possibilities like friends, and they are always on the edge of the news. that is why i expect south park to last this long/