Nope you can use them as many times as you like (:
You can acually only get married once you have completed the "get 10sims planting at once mission" Because then your next mission is to get engaged and once this happens you go home and it comes up in the bar, like when you make sims talk and kiss, it will say propose and a bunch a rings come up and then you are engaged
The only way you can fill up the energy bar is if you entertain the baby.
there is no breakfeast bar in sims 2 pets
Bring up the cheat bar and type in maxmotives, it will refresh all of the Sims needs.
When your sims move out they go to the family bar in the neighborhood screen
Sims 3 showtime !
you can only get the square feet measurements off on the inside of your home, and to do that on the little task bar thing at the bottem of your screen there will be a little 4x4 box, click it.
You can't. The only way to get the environment need higher is to add more decorative objects to your Sim's home, or make your Sims clean up.
In the Desert? Well, I'm only nine and I have Sims 2 for DS and I can't use the Metal Detector yet so, I'm guessing they are everywhere.
Ctrl + shift +c
you type in exit
Type Exit