You might want to try a challenge. I'm doing the 100 baby challenge and it's a lot of fun. The other thing I like to do is play rotationally. I make a bunch of different families I want to play and put them all into the same game save file and turn aging off. Then I play each of them for two days and when I get to the last one I turn aging on for 2 days so they've all gone up two days by the time I get to them again. I give each file a totally different storyline and I do different careers so that I can try out all the different careers and stuff.