Facebook/AIM Statuses

This is going to be nice and simple.  

Everyone has probably done one of the two following things, but I'm not talking about that.  I'm talking about the people that do this all the time.

One thing, why do people put up their whole schedule of everything they want to do, and need to do that day as their away message, or facebook status?

Another thing I don't understand is why do people feel the need to constantly air out all their problems on their status.  The only thing that does is tell everyone how you're feeling at the current time, instead of making it seem like you coolin'.  Also, if you are constantly airing out problems in your statuses, people may just start to think that you're the one causing all the problems.

People should just remember this, 90% of people don't care about your problems.  The other 10% are glad you have them.